Step 1. Find the mean of the paired differences, d. Round your answer to one decimal place. Answer: Step 2. Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places. Answer: Step 3. Find the standard deviation of the paired differences to be used in constructing the confidence interval. Round your answer to one decimal place. Answer:

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Step 1. Find the mean of the paired differences, d. Round your answer to one decimal
place.
Answer:
Step 2. Find the critical value that should be used in constructing the confidence
interval. Round your answer to three decimal places.
Answer:
Step 3. Find the standard deviation of the paired differences to be used in constructing
the confidence interval. Round your answer to one decimal place.
Answer:
Step 4. Construct the 90% confidence interval. Round your answers to one decimal
place.
Answer: Lower endpoint:
Upper endpoint:
41.
Given two independent random samples with the following results:
n1 = 225
p1 = 0.47
n2 = 272
p2 0.67
Use this data to find the 98% confidence interval for the true difference between the
population proportions.
Transcribed Image Text:Step 1. Find the mean of the paired differences, d. Round your answer to one decimal place. Answer: Step 2. Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places. Answer: Step 3. Find the standard deviation of the paired differences to be used in constructing the confidence interval. Round your answer to one decimal place. Answer: Step 4. Construct the 90% confidence interval. Round your answers to one decimal place. Answer: Lower endpoint: Upper endpoint: 41. Given two independent random samples with the following results: n1 = 225 p1 = 0.47 n2 = 272 p2 0.67 Use this data to find the 98% confidence interval for the true difference between the population proportions.
n2 = 8
df- 11 +8-19-217
え, = 191
S2 = 22
Use this data to find the 90% confidence interval for the true difference between the
population means. Assume that the population variances are equal and that the two
populations are normally distributed
Step 1. Find the critical value that should be used in constructing the confidence
interval. Round your answer to three decimal places.
Answer: .740
Step 2. Find the standard error of the sampling distribution to be used in constructing
the confidence interval. Round your answer to the nearest whole number.
Answer:
7851928
SE
2 S.
Step 3. Construct the 90% confidence interval. Round your answers to the nearest
29.65280
whole number.
/t1.740
1.740(1),
Answer: Lower endpoint:
-41
Upper endpoint:
40.
Given two dependent random samples with the following results:
36
Population 1 29 32 42 43 23 30 21
Population 2 23|46 44 48 35 21 18
7.36
Use this data to find the 90% confidence interval for the true difference between the
population means.
Let d =
zi
(Population 1 entry) -
populations are normally distributed.
(Population 2 entry). Assume that both
MAT 106.04 Professor Felix
133 of 135
Transcribed Image Text:n2 = 8 df- 11 +8-19-217 え, = 191 S2 = 22 Use this data to find the 90% confidence interval for the true difference between the population means. Assume that the population variances are equal and that the two populations are normally distributed Step 1. Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places. Answer: .740 Step 2. Find the standard error of the sampling distribution to be used in constructing the confidence interval. Round your answer to the nearest whole number. Answer: 7851928 SE 2 S. Step 3. Construct the 90% confidence interval. Round your answers to the nearest 29.65280 whole number. /t1.740 1.740(1), Answer: Lower endpoint: -41 Upper endpoint: 40. Given two dependent random samples with the following results: 36 Population 1 29 32 42 43 23 30 21 Population 2 23|46 44 48 35 21 18 7.36 Use this data to find the 90% confidence interval for the true difference between the population means. Let d = zi (Population 1 entry) - populations are normally distributed. (Population 2 entry). Assume that both MAT 106.04 Professor Felix 133 of 135
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