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  3. test the following hypotheses and interpret your f

Test the following hypotheses and interpret your findings. Hypothesis Sample Findings Sample Size Confidence Level Your Test Results Your Findings Mean: 7.5 Std. Dev.: 1.2 Mean: 8.5 670 95% Percent: 86% p =...

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Verified Solution

Question

Statistics

Test the following hypotheses and interpret your findings.

Hypothesis

Sample

Findings

Sample

Size

Confidence

Level

Your Test

Results

Your

Findings

Mean: 7.5

Std. Dev.: 1.2

Mean: 8.5

670

95%

Percent: 86%

p = 95%

1000

99%

Mean: 125

Std. Dev.: 15

135

500

95%

Percent: 33%

p = 31

120

99%

Answer & Explanation Solved by verified expert
3.6 Ratings (529 Votes)
Ans 1 using excel Z Test of Hypothesis for the Mean Data Null Hypothesis m 75 Level of Significance 005 Population Standard Deviation 12 Sample Size 670 Sample Mean 85 Intermediate Calculations Standard Error of the Mean 0046360045 Z Test Statistic 2157029851 TwoTail Test Lower Critical Value 1959963985 Upper Critical Value 1959963985 pValue    See Answer
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