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Question 7 Not yet answered Marked out of 1.0 In calculating a 95% confidence in

ID: 3328344 • Letter: Q

Question

Question 7 Not yet answered Marked out of 1.0 In calculating a 95% confidence interval for a paired two sample scenario with 12 pairs, the t-multiplier value required, correct to 3 decimal places, would be Fag qusenton Use statistical tables or MS Use statistical tables or MS Excel. Question 8 Not yet answered Marked out of 1.0 Suppose that a difference between two groups is examined. In the language of statistics, the alternative hypothesis is a statement that there is- Select one: 0 a. a difference between the groups for the samples. O b. a difference between the groups for the populations. Flag question c. no difference between the groups for the populations. d. no difference between the groups for the samples.

Explanation / Answer

Q7) given n = 12

Therefore, degree of freedom df = n-1 = 12-1 =11

using t table, 95% confidence interval t multiplier value t = 2.20098516 2.201

Q8) correct answer is a difference between the groups for the populations.

i.e. option b

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