please show how to FIND C* with σ12 > σ02 thank you!
Homework Answers
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For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c)...
For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c) decide whether the standardized test statistic is in the rejection region, and (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent , a = 0.01. Sample statistics: x = 1235, n 40, x2 = 1195, and n2 = 70. Population statistics: o1 65 and a2 120. Claim: (a) The test statistic for -H2is (b)...
Please explain if any of my answers are wrong. Thank you. Suppose a statistician wishes to test whether a large number...
Please explain if any of my
answers are wrong. Thank you.
Suppose a statistician wishes to test whether a large number of observations Xi follows an exponential distribution with parameter A = 1. He wishes to test this hypothesis exactly, and intends that if the observations follow an exponential distribution with a different parameter the test should reject the null hypothesis given sufficiently many observations. In addition, he wants to have a numeric statistic that he could report and does...
please help Find the critical value and rejection region for the type of chi are test...
please help
Find the critical value and rejection region for the type of chi are test with sample size n and level of significance a. Two-tailed test n 12, a- 0.05 x2L = 4.575-X2R = 1 9.675; x2 < 4.575, x2 > 19.6 OX2L=3.816.x2R= 21.920-X2< 3.81 6.x2-1.920 。X2L = 2.603, X2R = 26.757: Χ2 < 2.6c x2 > 26.757 X2L = 3.053, X2R = 24.725; X2 ,053-X2 > 24.725 .5 QUESTION 22 Find the rejection region for the specified hypothesis...
For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c)...
For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c) decide whether the standardized test statistic is in the rejection region, and (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent Claim: <H2, a=0.01. Sample statistics: x = 1235, n = 30, X2 = 1205, and n = 60. Population statistics: 6 = 70 and 62 = 100. (a) The test statistic for ,...
b Statisti 1 pl Help region, and (d) decide whether you should reject or fail to...
b Statisti 1 pl Help region, and (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent Claim μι < μ2, α:001. Sample statistics: x,-1220, n1-45, x2-1200, and n2 85 Population statistics: σ 1 80 and σ2-100 (a) The test statistic for μ1-y2 is (b) The standardized test statistic for μ1-μ2 is-]. (Round to two decimal places as needed) (c) Is the standardized test statistic in the rejection region? O Yes...
You don't need to be rich to buy a few shares in a mutual fund. The...
You don't need to be rich to buy a few shares in a mutual fund. The question is, how reliable are mutual funds as investments? This depends on the type of fund you buy. The following data are based on information taken from a mutual fund guide available in most libraries. A random sample of percentage annual returns for mutual funds holding stocks in aggressive-growth small companies is shown below. -1.2 14.1 41.7 17.6 -16.7 4.4 32.6 -7.3 16.2 2.8...
A random sample of leading companies in South Korea gave the following percentage yields based on...
A random sample of leading companies in South Korea gave the following percentage yields based on assets. 2.1 2.3 4.2 1.9 0.5 3.6 2.4 0.2 1.7 1.8 1.4 5.4 1.1 Use a calculator to verify that s2 ≈ 2.125 for these South Korean companies. Another random sample of leading companies in Sweden gave the following percentage yields based on assets. 2.2 3.8 3.9 1.1 3.9 2.8 2.3 3.5 2.8 Use a calculator to verify that s2 ≈ 0.909 for these...
Question Help * For the given data, (a) find the test statistic (b) find the standardized...
Question Help * For the given data, (a) find the test statistic (b) find the standardized test statitic, ( should reject or tall to reject the null hypothesis. The samples are random and independent. the rejection region, and (d) decide whether you c) decide whether the standardized test statistic is in nh"P2, α:001 Sample statistics: x.-1225, n.-45, x2-1195. and n2-65 Population stabsics o, so ando, 100 (a) The test statistic for μ1_P2 b) The standardized test statistic ftor p1-P2 (Round...
please provide a detailed answer, thank you! You are conducting a Goodness of Fit hypothesis test...
please provide a detailed answer, thank you!
You are conducting a Goodness of Fit hypothesis test for the claim that the population data values are not distributed as follows: PA = 0.1; PB = 0.4; Pc = 0.3; pp = 0.2 Give all answers as decimals rounded to 3 places after the decimal point, if necessary. (a) What are the hypotheses for this test? OH:Pa = 0.1, PB = 0.4, pc = 0.3, pp = 0.2 H: all of these...
Please show steps and work on how to find part C. Thank you! A survey of...
Please show steps and work on how to find part C. Thank
you!
A survey of 36 randomly selected students who dropped a course was conducted at a college. The following results were collected. Complete parts (a) through (c). (a) Construct a contingency table for the two variables. Course Personal Male Work Female 0 (b) Test whether gender is independent of drop reason at the a= 0.1 level of significance. What are the hypotheses? Full data set o M Work...
For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c) decide whether the standardized test statistic is in the rejection region, and (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent , a = 0.01. Sample statistics: x = 1235, n 40, x2 = 1195, and n2 = 70. Population statistics: o1 65 and a2 120. Claim: (a) The test statistic for -H2is (b)...
Please explain if any of my
answers are wrong. Thank you.
Suppose a statistician wishes to test whether a large number of observations Xi follows an exponential distribution with parameter A = 1. He wishes to test this hypothesis exactly, and intends that if the observations follow an exponential distribution with a different parameter the test should reject the null hypothesis given sufficiently many observations. In addition, he wants to have a numeric statistic that he could report and does...
please help
Find the critical value and rejection region for the type of chi are test with sample size n and level of significance a. Two-tailed test n 12, a- 0.05 x2L = 4.575-X2R = 1 9.675; x2 < 4.575, x2 > 19.6 OX2L=3.816.x2R= 21.920-X2< 3.81 6.x2-1.920 。X2L = 2.603, X2R = 26.757: Χ2 < 2.6c x2 > 26.757 X2L = 3.053, X2R = 24.725; X2 ,053-X2 > 24.725 .5 QUESTION 22 Find the rejection region for the specified hypothesis...
For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c) decide whether the standardized test statistic is in the rejection region, and (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent Claim: <H2, a=0.01. Sample statistics: x = 1235, n = 30, X2 = 1205, and n = 60. Population statistics: 6 = 70 and 62 = 100. (a) The test statistic for ,...
b Statisti 1 pl Help region, and (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent Claim μι < μ2, α:001. Sample statistics: x,-1220, n1-45, x2-1200, and n2 85 Population statistics: σ 1 80 and σ2-100 (a) The test statistic for μ1-y2 is (b) The standardized test statistic for μ1-μ2 is-]. (Round to two decimal places as needed) (c) Is the standardized test statistic in the rejection region? O Yes...
Question Help * For the given data, (a) find the test statistic (b) find the standardized test statitic, ( should reject or tall to reject the null hypothesis. The samples are random and independent. the rejection region, and (d) decide whether you c) decide whether the standardized test statistic is in nh"P2, α:001 Sample statistics: x.-1225, n.-45, x2-1195. and n2-65 Population stabsics o, so ando, 100 (a) The test statistic for μ1_P2 b) The standardized test statistic ftor p1-P2 (Round...
please provide a detailed answer, thank you!
You are conducting a Goodness of Fit hypothesis test for the claim that the population data values are not distributed as follows: PA = 0.1; PB = 0.4; Pc = 0.3; pp = 0.2 Give all answers as decimals rounded to 3 places after the decimal point, if necessary. (a) What are the hypotheses for this test? OH:Pa = 0.1, PB = 0.4, pc = 0.3, pp = 0.2 H: all of these...
Please show steps and work on how to find part C. Thank
you!
A survey of 36 randomly selected students who dropped a course was conducted at a college. The following results were collected. Complete parts (a) through (c). (a) Construct a contingency table for the two variables. Course Personal Male Work Female 0 (b) Test whether gender is independent of drop reason at the a= 0.1 level of significance. What are the hypotheses? Full data set o M Work...
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