Sample 1: n = 39 ; x = 3,100 ; (x^2) = 252,000 Sample 2: n = 9 ; x = 460 ; (x^2)

Question

Sample 1: n = 39 ; x = 3,100 ; (x^2) = 252,000
Sample 2: n = 9 ; x = 460 ; (x^2) = 50,000
Question 1A Can you see from the data that µ1 > µ2 at = 0.1? State the hypothesis in terms of 1-2.
Step 1: H0:
Ha:
Step 2: =
Step 3: Fill in row 35 if the hypothesis is one tailed.
Reject H0 if
Fill in row 39 if the hypothesis is two tailed. The smaller number must be typed first.
Reject H0 if or
Step 4: =
Step 5: H0
Step 6:
Step 7: Fill in the row 49 if the Z table is appropriate.
P-value =
Fill in the row 53 if the t table is appropriate. The lower boundary must go on the left and the upper boundary on the right.
P-value
Question 1B Construct a 99% confidence interval for the difference in population means. State the C.I. in terms of 2-1.
Lower Endpoint Upper Endpoint

Explanation / Answer

This is one tailed i.e. right tailed test

p-value = 0.1645

Given Data Sample 1 Sample 2 Name mean 79.4871795 51.1111111 Sample size 39 9 Std. dev. 80.38 74.54

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.