QUESTION 11 16 points 11) A psychologist is conducting a two sample (independent samples) t-test to compare two treatmen

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Question 11 16 Points 11 A Psychologist Is Conducting A Two Sample Independent Samples T Test To Compare Two Treatmen 1 (31.22 KiB) Viewed 11 times

QUESTION 11 16 points 11) A psychologist is conducting a two sample (independent samples) t-test to compare two treatment conditions. She intended to see whether there is a significant difference between two treatments. Following data were obtained: Treatment one group: # of participants 20, sample mean = 75, sample standard dev (s)-3.15. Observations are normally distributed Treatment two group: # of participants=15, sample mean = 72, sample standard dev (s)=3, 54, Observations are normally distributed Use 1% significance level. Assume 1 and 2 are the population means for groups of treatment one and two respectively. a) What is null and alternative hypotheses? b) What is the value of the test statistic? c) What is the p-value? d) What is your conclusion? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIVS Paragraph Arial FE 380 <> (¹) V 10pt XX, &¶¶e Ⓒ - Ev E✔ A v I. X Π"Ω Θ.Εν ✓ *** E S