assume = 0.05. (c) Calculate the range for the p-value. (d) Interpret the p-valu

Question

assume = 0.05.

(c) Calculate the range for the p-value.

(d) Interpret the p-value in terms of the problem.

(e) Do you reject or fail to reject the null hypothesis?

(f) Interpret your conclusion in terms of the problem.

(g) What 95% confidence interval between two means will certainly not contain zero if we were to create it?

(h) What type of error could we have made in this question?

(i) Interpret a Type II error in terms of the problem.

Thanks!

A sociology student wanted to test to see if the GPA's of four sororities were significantly different. They found the following: Let A = group 1, B = group 2, c = group SororityA BD i 3.22 3.57 2.87 2.98 si 0.54 0.35 0.21 0.23 n 10 10 1010 3, and D group 4

Explanation / Answer

c)

Range : 0.005 < p < 0.01

d) P-value = 0.000497

e) Here P-value < alpha 0.05, so we accept H0

f) thus we conclude that there is significance difference among the means of three groups

ANOVA Table Alpha = 0.05 Sum of Mean sum of Source df Squares Square F-Ratio F-crit P-Value Treatment 3 2.882 0.960666667 7.51842431 2.866266 0.000497 Error 36 4.5999 0.127775 Total 39 7.4819

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