Question

appropriate Below is the box score for Monday night's game between the Golden State Warriors and the Houston Rockets. 1. 4 TotalAverage 24 Quarter 1 Warriors 28 Rockets 25 36 3219112 3 2 26 108 27/qtr 28/qtr Using a quarter is equal for the Rockets scoring. (Hint. The expected number of points per quarter is the total points divided by four.) test at the 5% level, test whether the distribution of points pe a. 2. Recent polls have attempted to identifry whether or not the Mueller repor should be the final say on the issue of collusion. The table below report sample of 200 opinions by party affiliation Time to Congress Still Mueller Subpoena Move on Investigate Testify Barr Democrat Republican 60 Independent 60 a. At the 1% level does the above table support that hypothesis that party 0 20 0 20 10 0 0 0 0 affiliation is unrelated to ones opinion about the Mueller report?

Answer 1

a. The null and alternative hypotheses are Ho: The distribution of points for Rockets scoring is equal H1: The distributi on of points for Rockets scoring is not equal The expected value is 28 Observed -Expected) 2 Expected (25-28) (36-28) , (32-28) (19-28) 28 28 28 28 -6.07 The degrees of freedom are 4 1 3 The calculation of p-value in Excel is -cHISQ.DIST.RT(6.07,3) 시 0.11 Since the p-value is greater than the level of significance, do not reject the null hypothesis and conclude that the distribution of points for Rockets scoring is equal.

2. a. The null and alternative hypotheses are Ho Party affili ation is unrelated to ones opinion about the Mueller report H1:Party affiliation is related to ones opinion about the Mueller report The formulas in Excel to perform test are 1 Observed Time to Move on Congress Still investigate 30 Mueller Testify Subpoena Barr Total SUM(B4:E4 SUM(B5:ES =SUM(86E6) 4 Democrat 60 60 SUM B4:86) 20 SUM(C4:C6) 9 Expected 10 Time to Move on Congress Still Investigate Mueller Testify Subpoena Barr 12 Democrat 15 16 17 18 19 20 Chi Square Test Statistic SUM(B17-E19 Observed-Expected)*2/Expected (B4-B121*2)/B12 B5-B13)2)/813 ((B6-B14)2/B14 弌(D4-D12)^2)/D12 ㅕ(E4-E12)^2)/E12 ((DS-D13)2D13IIES-E13)2)/E13 ((C4-C12) 2)/C12 ICS C13)2)/C13 IC6-C14)2)/C14 21 P-value -CHISQ DIST.RT(820,1 The output is

The output is 1 Observed Time to Move on Congress Still Investigate Mueller Testify Subpoena Barr Total 30 4 Democrat 5 Republican 6 Independent 20 120 10 9 Expected 10 Time to Move on Congress Still Investigate Mueller Testify Subpoena Barr 3.0 3.0 4.0 36.0 36.0 48.0 9.0 9.0 12.0 12.0 12.0 16.0 12 Democrat 13 Republican 14 independent 15 16 (Observed- Expected)A2/Expected 5.33 16.33 3.00 4.00 36.00 16.00 3.00 166.67 0.000 49.00 9.00 12.00 18 19 20 Chi Square Test Statistic 21 P-value Since the p-value is less than the level of significance, reject the null hypothesis and conclude that party affiliation is related to one's opinion about the Mueller report.