Population 1 Population 2 30 45 35 49 23 15 22 34 28 20 39 49 21 36 Calculate the sample standard deviation of the paired differences. Round your answer to six decimal places.
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To calculate the sample standard deviation of the paired differences between Population 1 and Population 2, we will follow these steps: Show more…
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Given two dependent random samples with the following results: Can it be concluded, from this data, that there is a significant difference between the two population means? Let d = (Population 1 entry)-(Population 2 entry) . Use a significance level of ̑ = 0.01 for the test. Assume that both populations are normally distributed. Step 2 of 5 : Find the value of the standard deviation of the paired differences. Round your answer to one decimal place.
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The following data are from matched samples taken from two populations. Population Element 1 2 1 15 7 2 11 7 3 9 10 4 13 11 5 13 13 6 9 12 7 15 10 a. Compute the difference value for each element (difference between element of population 1 and population 2 and enter negative values as negative numbers, if any). If your answer is zero, enter "0". Element Difference Value 1 2 3 4 5 6 7 b. Compute d̄ (to 3 decimals). Enter negative value as negative number, if any. d̄ = c. Compute the standard deviation sd (to 3 decimals). sd = d. What is the point estimate of the difference between the two population means (to 3 decimals)? Enter negative value as negative number, if any. e. Provide a 95% confidence interval for the difference between the two population means (to 3 decimals and enter negative values as negative numbers, if any).
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