Description : If two samples are different in size, like 20 to 60, is it a good idea to apply two sample t-tests and chi-square tests?
Last Answer : answer:If the data is continuous (or close to it), then I would use this version of the two-sample t-test. You would not have to downsize the sample. The number of degrees of freedom is hard to ... you can use the smaller sample size, minus one, as a conservative estimate. In this case, df > 19.
Description : What is the other term for test of goodness of fit? a. Chi square test b. t – test c. z – test d. ANOVA
Last Answer : a. Chi square test
Description : Which one of the following is a type of nonparametric test? a. t-test b. Chi-squire c. z-test d. f-test
Last Answer : b. Chi-squire
Description : Test between two population variance is done by (A) F – test (B) Z test (C) t – test (D) Arithmetic mean
Last Answer : (A) F – test
Description : Which one of the following is not a non-parametric test ? (A) t-test (B) Sign test (C) Chi-square test (D) Run test
Last Answer : Answer: A
Description : Soil samples are collected to? a Plastic bags b Metal containers c Gunny bags d Wooden boxes
Last Answer : a Plastic bags
Description : The test used for comparing two means when sample size is small (up to 30)
Last Answer : Ans. ‘T’ test
Description : What is the comparison of two Independent samples meandf is?
Last Answer : If the two samples are of size n1 and n2 then the t-statistic isdistributed with n1 + n2 - 2 degree of freedom.
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 : Python: How to compute chi-square and p-value for 2x2 matrix data -Web-Development
Last Answer : answer:
Description : t-test is applicable when the numbers of treatments are (A) 2 (B) 6 (C) 8 (D) 12
Last Answer : (A) 2
Description : Most of the independent auditor's work in formulating an opinion on financial statements consists of a. Studying and evaluating internal control b. Obtaining and examining evidential matter c. Examining cash transactions d. Comparing recorded accountability with assets
Last Answer : Obtaining and examining evidential matter
Description : As per Shannon’s channel capacity theorem, if samples are transmitted in ‘T’ seconds over a noisy channel which is bandlimited to ‘B’ Hz. The number of samples ‘n’ is given by (symbols/notations carry their usual meaning) A) B/T B) T/B C) 2BT D) BT/2
Last Answer : As per Shannon’s channel capacity theorem, if samples are transmitted in ‘T’ seconds over a noisy channel which is bandlimited to ‘B’ Hz. The number of samples ‘n’ is given by ( ... /notations carry their usual meaning) A) B/T B) T/B C) 2BT D) BT/2
Description : The analog signal given below is sampled by 600 samples per second for m(t) = 3 sin 500 pt + 2 sin 700 pt then folding frequency is: (1) 500 Hz (2) 700 Hz (3) 300 Hz (4) 1400 Hz
Last Answer : The analog signal given below is sampled by 600 samples per second for m(t) = 3 sin 500 pt + 2 sin 700 pt then folding frequency is: 300 Hz
Description : Right to information means a) Inspection of work, documents, records b) Taking notes, extracts or certified copies of documents or records c) Taking a certified samples of material. d) Obtaining information in the form of diskettes, flppoies, tapes e) All the above
Last Answer : e) All the above
Description : Internal Marketing means ______________ 1. Selling to oneself 2. Selling to the employees 3. Selling of samples 4. Selling to foreign markets 5. None of these
Last Answer : Selling to the employees
Description : Four identical samples of a metal are heated to different temperatures. Based on the colors of their incandescences, which sample is the hottest? The sample that is: w) blue-white x) bright red y) yellow z) orange
Last Answer : ANSWER: W -- BLUE-WHITE
Description : CHI 2 test was given by
Last Answer : Ans. Karlpierson
Description : The migratory fish that live in both fresh and salt water, independent of breeding is called as? a. Catadromous fish b. Potamodromous fish c. Amphidromous fish d. Anadromous fish e. None
Last Answer : c. Amphidromous fish
Description : comparing the lecture and developmental lessons which one of the following is false? Options: A) There is more public developmental lesson B) It t is more difficult to ascertain public learning in ... to largest class D) Slow children derive more benefits form a lecture than brighter children do
Last Answer : D) Slow children derive more benefits form a lecture than brighter children do
Description : UK Jelly Medics: Do they test urine samples for yeast growth?
Last Answer : They do whichever testing the Doctor specifies. If yeast is of con ern for you, make sure the Doc knows this.
Description : What samples gives a positive test with biuret test?
Last Answer : Biuret test is for peptide bonds.
Description : In concrete compression test, normally 150mmx150mmx150mm concrete cube samples is used for testing. Why isn’t 100mmx100mmx100mm concrete cube samples used in the test instead of 150mmx150mmx150mm concrete cube samples?
Last Answer : Basically, the force supplied by a concrete compression machine is a definite value. For normal concrete strength application, say below 50MPa, the stress produced by a ... cube size of 150mmx150mmx150mm is already sufficient for the crushing strength of the machine.
Description : pH is defined as the negative logarithm of the hydrogen ion concentration. Comparing a pH 5 and a pH 8 solution, which of the following is true? w) There are 1,000 times more hydrogen ions in ... . z) Cannot tell the difference between these two solutions by pH, since the numbers are so close.
Last Answer : ANSWER: X -- THERE ARE 1,000 TIMES MORE HYDROGEN IONS IN THE PH 5 SOLUTION
Description : The square of standard deviation is (A) Coefficient of variance (B) Standard deviation (C)Variance (D) Mean deviation
Last Answer : (C)Variance
Description : Most suitable design for experiment involving varying number of tillage and nitrogen levels is (A) Latin square (B) RBD (C) Strip plot (D) Split plot
Last Answer : (D) Split plot
Description : Double cross hybrid maize production technique was introduced by (A) G.H. Shull (B) Mendel (C) D.F.Jones (D) E.M.East
Last Answer : (C) D.F.Jones
Description : Red and purple colour of maize (Zea Mays) is due to deficiency of (A) Ca (B) N (C)F (D) P
Last Answer : (D) P
Description : Rent theory of profit was given by— (A) Hawley (B) C.P. Blacker (C) Tanssig (D) F.A. Walker
Last Answer : (D) F.A. Walker
Description : The pathogen f rice blast or ‘rotten neck’ is (a) Ustilago tritici (b) Pyricularia oryszae (c) Alternaria alternate (d) Plasmopora vitticola
Last Answer : (b) Pyricularia oryszae
Description : Which of the following techniques ar used to create transgenic crops? a. Budding and Grafting in fruit plants b. Cytoplasmic male sterility c. Gene slicing d. Only 1 e. Both 1 and 2 f. Both 2 and 3 g. Both 1 and 3
Last Answer : f. Both 2 and 3
Description : A test method of comparing two audio systems by switching inputs so that the same recording is heard in rapid succession over one given system and then the other. A. B test B. A test C. AB test D. C test
Last Answer : C. AB test
Description : When troubleshooting a lead-acid storage battery, a weak or dead cell is best detected by _________________. A. measuring and comparing all cells' specific gravity B. taking an open circuit ... electrolyte levels of each cell D. taking each cell's temperature with a calibrated mercury thermometer
Description : The equation, X = A cos(wt + f) (read: X equals A times the cosine of omega t + phi (fee)), can represent an expression for: w) accelerating due to gravity x) uniform straight line motion y) dc current z) a simple harmonic oscillator
Last Answer : ANSWER: Z -- A SIMPLE HARMONIC OSCILLATOR
Description : Triticale is a cross between: (A) Wheat x Rye (B) Wheat x Barley (C) Barley x Oat (D) t x Oat
Last Answer : (A) Wheat x Rye
Description : Which weedicide is used to kill broad leaf weeds in wheat ? (A) 2, 4 - D.S.S. (WPSS) (B) 2, 4, 5 - T (C) 2, 4 - DB (D) None of these
Last Answer : (A) 2, 4 - D.S.S. (WPSS)
Description : The existence of a gas is vanished atA. N.T.P. B. At any temperature C. Absolute zero D. 0°C E. None of the above
Last Answer : C. Absolute zero
Description : The radiator should he filled with the solution and allowed to remain there for a) 4 to 6 hours b) 6 to 6 hours c) 8 t o 10 hours d) 10 to 12 hours
Last Answer : c) 8 t o 10 hours
Description : In H.T.S.T. pasteurization, which one of the following organisms is chosen as index organism for killing? 1) S.thermophilus 2) S.lactis 3) B.subtilis 4) M.tuberculosis
Last Answer : 1) S.thermophilus
Description : What is one of the means of crop production ?
Last Answer : Soil is one of the means of crop production.
Description : Farm Planning means— (A) Farm Budgetting (B) Cropping pattern (C) Type of enterprises (D) None of these
Last Answer : (B) Cropping pattern
Description : On nephelometry turbidity unit (NTU) is equal to the turbidity produced by (a) 1 mg SiO2 dissolved in 1 l of distilled water with the test being run according to absorption principle (b) 1 ... Formazin dissolved in 1 l o f distilled water with the test being run according to scattering principle.
Last Answer : (d) 1 mg Formazin dissolved in 1 l o f distilled water with the test being run according to scattering principle.
Description : Seed work board is ‘required for? A. Viability test of seed B. Germination test of seed C. Purity test of seed D. Blending of seed
Last Answer : D. Blending of seed
Description : Which one of the following pair is mismatched? (a) L value: Larsen (b) Integrated soil test approach: Colwell (c) Biogas: Desai (d) Law of limiting factor: Lundegardh
Last Answer : (d) Law of limiting factor: Lundegardh
Description : How has practicing Tai Chi affected your health and mental status?
Last Answer : Practicing anything that requires discipline is good.
Description : If you do Tai Chi, how do you benefit?
Last Answer : I enjoyed tai chi for the way it stopped me (briefly) from ruminating, but I can’t say it had much effect on me physically. Perhaps it helped me improve my balance some.
Description : Do you like Bibimbap and Kim Chi?
Last Answer : I love bibimbap, too, and kim chee is a favorite of many people around these parts.
Description : What are the benefits of Tai Chi?
Last Answer : It's an exercise that gently exercises all the muscles in a slow moving sequence which you have to recall in the proper order. It refreshes the mind because you can't think of anything else and yet it isn ... feel what it could do, just with that small experience. I'll join a class when I have time.
Description : US Travel Question: Eve layover in ATL or CHI?
Last Answer : answer:I would choose Chicago, although you will have quite a ride into the city if you are coming into O'Hare. There are lots of great neighborhoods in Chicago. You can easily find a great ... . This site has a really good listing. I would recommend a steakhouse as Chicago has excellent beef.
Description : Anyone in CHI right now? What are people wearing?
Last Answer : Bring everything. Last week we set a record high for the date at 90. The week before that we set a record low for the date. Today, you could close your eyes and imagine you’re in southeast Alaska. So, who the hell knows what you’ll find when you get here?