Description : Define continuous data and give two examples.
Last Answer : Ans: Data which can be described by a continuous variable is called continuous data. For e.g. age of persons, speed of car, temperature at a place, income of a person, height of a plant, a life time of a T.V tube etc
Description : Define discrete variable by giving examples.
Last Answer : Ans: A variable which can assume only some specific values within a given range is called discrete variable. For e.g. Number of students in a class, Number of houses in a street, number of children in a family etc. it can’t occur in decimal.
Description : Compare Strengths and weaknesses of mode.
Last Answer : Advantages: It is easy to understand and simple to calculate. It is not affected by extreme large or small values. It can be located only by inspection in ungrouped data and discrete frequency ... , the data having one or more than one mode and sometimes the data having no mode at all.
Description : Define Dependent Event.
Last Answer : Ans: If there are two events i.e. A in sample space 1 (S1) and B in sample space 2 (S2) and occurrence or non-occurrence of one event affects the occurrence and nonoccurrence of other event then it is called dependent event.
Description : Define Independent Event.
Last Answer : Ans: If there are two events i.e. A in sample space 1 (S1) and B in sample space 2 (S2) and occurrence or non-occurrence of one event does not affect the occurrence and non-occurrence of other event then it is called independent event.
Description : Define Equally Likely Event.
Last Answer : Ans: If two events A & B have equal chance of occurrence in sample space S then the event will be Equally Likely Event.
Description : Define Not-Mutually Exclusive events.
Last Answer : Ans: If two events A & B have some thing common in sample space S then the event will be Not-Mutually exclusive event.
Description : Define Mutually Exclusive events.
Last Answer : Ans: If two events A & B have nothing common in sample space S then the event will be mutually exclusive event.
Description : Define Impossible event.
Last Answer : Ans: An event of sample space contains none of the possible outcome is called impossible event and is denoted by Greek letter φ.
Description : Define possible event.
Last Answer : Ans: An event of sample space contains at least one possible outcome is called possible event.
Description : Define compound event.
Last Answer : Ans: An event of sample space contains at least two outcomes is called compound event these may be denoted by any letter A to Z.
Description : Define simple event.
Last Answer : Ans: An event of sample space contains only one outcome is called simple event.
Description : Define an event. What are its types?
Last Answer : Ans: A single result of an experiment or any desired sub set of the sample space is called and event and it may be denoted by any letter A to Z. it has two main types (1) Possible event & (2 ... (1) simple event (2) compound event and compound event has one more type which is sure or certain event.
Description : Define Sample Point.
Last Answer : Ans: The elements of the sample space or possible outcome of a given random experiment is called sample point.
Description : Define Sample Space or possible outcomes.
Last Answer : Ans: All possible outcomes of an experiment are called sample space and is denoted by “S” i.e. in toss of coin the sample space will be two (Head & Tail) & in throwing a die it will be 6 (1, 2, 3, 4, 5, 6)
Description : Define Probability.
Last Answer : Ans: Probability is the measurement of uncertainty which consists on occurrence or non-occurrence of an event.
Description : Define an experiment/random experiment/trial?
Last Answer : Ans: In probability, experiment or trial is simply an action in which the result is uncertain or simply uncertain situation in statistics is called Random Experiment (R.E).
Description : Define price relative.
Last Answer : Ans: Price in current year divided by price of base year and multiplied by 100 is simply called price relative.
Description : Define link relative.
Last Answer : Ans: Price of current period divided by price of immediate previous period multiplied by 100 is called link relative.
Description : Define Unweighted index number
Last Answer : Ans: Unweighted index number is an index in which weights are not assigned to an index.
Description : Define weighted index number
Last Answer : Ans: Weighted index number is an index in which weights are assigned to that index.
Description : Define Chain Base method.
Last Answer : Ans: In this method index number is computed in two steps. As a first step, we calculate link relative by dividing current period price/quantity/value by price/quantity/value of immediate ... relative by link relative of immediate previous period of current period and divide this product by 100.
Description : Define Arithmetic Mean.
Last Answer : Ans: It is the most commonly used average or measure of the central tendency applicable only in case of quantitative data. Arithmetic mean is also simply called “mean”. Arithmetic mean is defined as: “Arithmetic mean is quotient of sum of the given values and number of the given values”.
Description : Define cumulative frequency distribution.
Last Answer : Ans: A table showing the cumulative frequency distribution is called the cumulative frequency distribution or a cumulative frequency distribution is a summary of a set of data showing the frequency (or number) of items less than or equal to the upper class limit of each class.
Description : Define Histogram.
Last Answer : Ans: Histogram is a set of adjacent rectangles in which area of each rectangle is proportional to the corresponding class frequency and class size.
Description : Define class mark.
Last Answer : Ans: The class marks or mid point is the mean of lower and upper class limits or boundaries. So it divides the class into two equal parts. It is obtained by dividing the sum of lower and upper class limit or class ... . For Example: The class mark or mid point of the class 60 - 69 is 60 69/2 = 64.5
Description : Define class interval.
Last Answer : Ans: The difference between the upper and lower class boundaries (not between class limits) of a class or the difference between two successive mid points is called size of class interval.
Description : Define class limits.
Last Answer : Ans: The variant values of the classes or groups are called the class limits. The smaller value of the class is called lower class limit and larger value of the class is called upper class limit. ... 19, the smaller value 10 is lower class limit and larger value 19 is called upper class limit.
Description : Define tabulation.
Last Answer : Ans: The process of placing classified data into tabular form is known as tabulation. A table is a symmetric arrangement of statistical data in rows and columns. Rows are horizontal arrangements ... vertical arrangements. It may be simple, double or complex depending upon the type of classification.
Description : Define attribute by giving example.
Last Answer : Ans: Attribute represents the quality or character. For example color of eyes, type of mangoes, beauty etc.
Description : Define population and sample.
Last Answer : Ans: Total group under discussion is called population. For example height of all class students. A part of population which represents the population is called sample.
Description : Define discrete and continuous variable.
Last Answer : Ans: A variable which can assume only some specific values within a given range is called discrete variable. For e.g. Number of students in a class, Number of houses in a street, number of children in a family etc. ... at a place, income of a person, height of a plant, a life time of a T.V tube etc.
Description : Define Statistics in your own words.
Last Answer : Ans: Statistics is the science which deals with data. After collection & organization of data, it is further analyzed statistically and interpreted. It is the science of average, counting & probability.
Description : Does your state list all covid cases in your state?
Last Answer : My county reports to the state of Georgia, and the numbers are based on the number of positive tests in the county. This assembled from both medical offices (hospitals, doctors offices, etc.) ... the state). There is no subcategory in the statistics for state residents versus non-state residents.
Description : When it comes to the COVID pandemic, what statistics are important to you?
Last Answer : 1. Daily positive cases in my state and the positivity rate 2. I am also interested in knowing where the likely sources of positivity came from: tourists versus community transmission. 3. Percentage of beds ... Dept. of Health, and we provide some of these data points daily. I trust the department.
Description : Stats homework question?
Last Answer : Read your course notes or follow this tutorial. https://www.mathsisfun.com/data/binomial-distribution.html
Description : In a game where a random success rate is offered (as opposed to a game that is 100% winable) what should you expect as a success rate?
Last Answer : LOL! Interesting question. But you missed a spot on the floors. Well, you have to factor in that it’s not just random success. There is some strategy involved too.
Description : What topics are covered in university math statistics ?
Last Answer : Today is your lucky day amigo. One of the finest universities in all of the US is offering you, RedDeerGuy1, a special chance to take a real, college level, Statistics class, free of charge, ... statistically speaking, people who start the course are at least 50% more likely to finish it. Get some.
Description : Not understanding p value (chi square statistic problem)
Last Answer : The p value is a test of your data as it applies to your claim about that population of data or your null hypothesis (what you are testing for). It tells you whether or not your claim is valid. A p value ... or less couldn't tell with the term cut off ) than 3.841 (the claim), the p value being
Description : Did you know this about your surgeons death rate statistics?
Last Answer : Can you site your source?
Description : What is the statistical probability of finding a soulmate?
Last Answer : You’re assuming there is only one soulmate for you; maybe there are dozens. And perhaps there are hundreds, or even thousands, more who are “near soulmates.” Or perhaps there is no such thing as a soulmate and there are merely mates who are more or less “not annoying”?
Description : Are you a frequentist or a Bayesian?
Last Answer : answer:Don’t know don’t care. But seriously, I have just known about these two after seeing your cartoon, and the two are a bit too complicated for me to understand.
Description : What is that most common reason some women choose to have an abortion?
Last Answer : answer:I don't think that there is a most common reason. I think that it depends on the circumstances. Tragically, something can be wrong with the fetus. Sometimes, a woman is not prepared to ... in sight, too many children already). Sometimes, a pregnancy would put the mother's life in danger.
Description : Can a Powerball ticket be called an investment when the payoff is above $600 Million?
Last Answer : You can rationalize purchasing a lottery ticket in many ways and to characterize it as an investment would not be high on my list. I saw a guy who has won a lottery 6 times interviewed on TV this AM and ... 's knowing if I did win I would have a blast giving away a large chunk of the winnings! ;)
Description : Standard deviation and mean?
Last Answer : It is very handy to just memorize the 68 – 95 – 99.7 rule. It means 68% of the population is within +/-1 SD, 95% are within 2 SD and 99.7 are within 3 SD.
Description : What day was crime rate the lowest worldwide in the past hundred years?
Last Answer : How on earth would anyone determine such a thing?
Description : What are a list of countries that don't have a debt or deficit?
Last Answer : answer:Here’s the CIA List. Most of the ones at the top are oil exporting nations. Macau pays for most of its government by taxes on gambling.
Description : What's the difference between a percentage of a sum and a percentage less than a sum?
Last Answer : answer:Let’s look at the second statement: I’m not sure how to calculate “30% less”. Wouldn’t it be the same as ”‘as little as’ 70%” of what men make? Yes, this.
Description : Is there something odd about the way statistics are used?
Last Answer : My issue with math in general is not the numbers or the logic behind them, but the terminology. For that reason, I feel that degrees in English and Law are required to advance beyond Algebra I. Especially Law, as the main thing statistics are used for is to argue a viewpoint.
Description : With Republicans succeeding in making abortion impossible in many red states, will we see a spike in crime in 15 years or so?
Last Answer : With the rise of the internet and so much entertainment I don’t believe so. However, I think they’ll still have their “Honorable, Patriotic” crop of people to have when it comes to military recruiting.