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 =...

60.1K

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

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member

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%