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F or accepting or rejecting a null hypothesis, which one of the following is NOT used as a significance test method in statistics? (GATE-Agricultural-Engineering-2018) 1 AnswerType II error in hypothesis testing is Gate-20161 AnswerA teacher proposed a null hypothesis (H0) that there is no difference in the mean heights of boys and girls in his class. His alternative hypothesis (Ha) was that boys are taller than girls. The figure below shows the probability distribution, i.e. probability density function, of the difference in the mean height of boys and girls if the null hypothesis were true. The observed mean difference in heights is shown by the solid black circle. The dotted line represents the range μ ± 2 σ whereas the solid line shows the range μ ± 3 σ. Assuming a significance level of 0.05, which of the following conclusions is correct?0 AnswerWhat is hypothesis testing in statistics?1 AnswerS1: If you want to do well in your examination you need to be able to think for your self which means not just following the guide-books but write what you think yourself. S6: If however you turn these ideas over in your mind accepting those which you agree with and fitting them into your stock of knowledge and rejecting the others you may get somewhere. P: That will not help much. Q: Few if any students do this. R: By discussing things with other students, with your teachers, and with any intelligent people you meet, you will find yo can pick up lot of new ideas but it is no good first accepting these ideas, swallowing them undigested and then repeating them in the examination. S: At first, you will find it difficult but f you go on trying, you will find clear independent thought becomes easier.0 AnswerWhich of the following statements represents Statistics in the plural sense? - Economics CBSE class 11 sample paper question1 AnswerType-I errors in statistical tests represent false positives, where a true null hypothesis is falsely rejected. Type-II errors represent false negatives where we fail to reject a false null hypothesis. For a given experimental system, increasing sample size will (A) decrease both Type-I and Type-II errors (B) decrease Type-I and increase Type-II errors (C) increase both Type-I and Type-II errors (D) increase Type-I and decrease Type-II errors0 AnswerWhich one of the following hypotheses postulates that individual's consumption in any time period depends upon resources available to the individual, rate of return on his capital and age of the individual? A. Absolute Income Hypothesis B. Relative Income Hypothesis C. Life Cycle Hypothesis D. Permanent Income Hypothesis0 AnswerConstituents of the producer gas contributing to its heating value are (GATE-Agricultural-Engineering-2018)1 AnswerT he discharge from a sprinkler nozzle depends on (GATE-Agricultural-Engineering-2018)1 AnswerWhich of the following statements is correct? 1 AnswerI f the void ratio of a soil column is 0.43, the soil porosity is (A) 0.30 (B) 0.40 (C) 0.70 (D) 0.75 (GATE-Agricultural-Engineering-2018)1 AnswerIntegration by trapezoidal method of log 10(x) with lower limit of 1 to upper limit of 3 using seven distinct values (equally covering the whole range) is _______________________ Gate-Agricultural-20161 AnswerSTATISTICS1 AnswerWhich one of the following options presents the correct combination? (P) Reservoir limit test (I) Communication between wells (Q) Modified isochronal test (II) Ideally zero flowing bottom hole pressure (R) Interference test (III) Extended drawdown test (S) Absolute open flow potential (IV) Drawdown and build-up test of equal duration. Gate-2018-General-Aptitude1 AnswerSolution of f(x) = x^4 +2 x^3 – 4 x^2 + 3 x – 1 = 0 is (GATE-Agricultural-Engineering-2018)0 AnswerPhp code create and connect a table.1 AnswerThe Rational method is used to estimate. GATE- Agricultural Engineering- 20131 AnswerAn explicit forward Euler method is used to numerically integrate the differential equation dy y dt using a time step of 0.1. (Gate 2018 Mechanical engineering)0 AnswerThe time series forecasting method that gives equal weightage to each of the m most recent observations is (Gate 2018 Mechanical engineering)0 Answer
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