Please give correct answers and detailed procedures. give explanations please!!

Use the following data and a = 0.10 to construct a 90% confidence interval to estimate 1 - /2. Assume x is normally distributed in the populations and the variances of the populations are approximately equal. Ho: H1 - H2= O Ha: H1 - H2# 0 Sample 1 Sample 2 n1 = 20 n2= 20 X1 = 118 $7 = 112 $1 = 23.4 $2 = 20.5 (Round your answers to 3 decimal places, e.g. 0.759.) SH1 - H2Use the data given to test the following hypotheses (a = .05). Assume the differences are normally distributed in the population. Ho: D =0 Ha : D #0 Individual Before After 1 107 102 N 99 98 110 100 113 108 96 89 98 101 100 99 102 102 107 105 10 109 110 11 104 102 12 99 96 13 101 100 Find the t-score to make a conclusion. (Round your answer to 2 decimal places, e.g. 1.75.) Observed t = The decision is toConstruct a 90% condence interval to estimate D from the fol lowing sample information. Assume the differences are normally:' distributed in the population. Client Before After 1 34 40 2 2B 25 3 35 36 4 32 32 5 26 29 6 25 31 ? 3? 39 8 15 30 9 35 31 [Round the intermediate 1IlI'alues to 4 decimal places, e3. 1.7539. Round your answers to 2 decimal places, e3. 1. F5.) l 505 l In each of the following cases, calculate a confidence interval to estimate p1 - p2. a. n1 = 84, n2 = 91, p1 =0.75, p2 = 0.64; level of confidence = 90% b. n1 = 1,300, n2 = 1,700, p1 =0.22, p2 = 0.17; level of confidence = 95% c. n1 = 410, n2 = 396, x1 = 275, x2 = 275; level of confidence = 85% d. n1 = 1500, n2 = 1500, x1 = 1,050, x2 = 1,000; level of confidence = 80% "(Round your answers to 2 decimal places, e.g. 0.75.) "(Round the intermediate values to 3 decimal places, e.g. 0.759. Round your answers to 3 decimal places, e.g. 0.759.) a. *Sp1 - P2s b. *Sp1 - P2s C. "SP1 - P2s d. "sp1 - P2s