Question

153 Xd 25 x1-143 2 0 a 100 a. Deterrnirne the values of t for which the null hypothesis H-20 would be rejected in favor of the alternativs hypothesis Round to two decimel pleces as needed.) OA. The rejection region ist O B. he rejection region ist O C. The rejection regionis OD. The rejection region ist b. Conduct the paired difference lest described in part a. Determine the test statistic. 21 or ta Round lo two decnal placos as necded.) Draw the appropriate conclusion. Sinhe observed value of he lesl slatislic (1) There (3) sufficient evidence to indicate that μ| μ2":0 t u-0.10. c. What assumptions are neccssary so that the paired ditterence test will be valid? Select all that apply □ A. The population of differences is normal iri the rejeclion egion, Hp (2) B. The sample size i large (greater thanorequal to 30) C. The differeices are randornly selected D. The populalion varc are equal d. Find a 90% confidence interval tor the mean difference Round to three decimal places as needed.) e. Which of the twa interential procedures, the confidence interval of part d or the test of hypothesis af part b, provides more ntormation about the difterence between the population means? A. The contidence interval provides more intormation because it shows that there is a O B. The hypothesis test provides more information because it shows that there is OC. The hypothesis test provides more information because it gives an interval of possible D. The contidence interval provides more intormation hecause it gves an interval at difference between the population means ditterence hetween the population means values for the diflerence between the population means. possible values for the difference between the population means. (1) O Ots O is not (3) Ols not does not tall falls (2)

Answer 1

Sdlutbion 2 5 IO 팬5-001 Jioo/25 Tha diffeaumes ant trandemly Belactad The 90%. C. I fh das l0O 2.5