Learn
Courses
Career Tracks
Upcoming Courses
Certificates
Career Track Certificate
Course Certificate
Resources
All Resources
Course Notes
Templates
Infographics
Career Guides
Practice Exams
Blog
Success Stories
Pricing
Business
Team Plan
Live Trainings
Log In
Sign Up
Follow this topic
Share
Mohammad Rafay
Last answered:
20 Nov 2022
Posted on:
15 Nov 2022
0
How is the sample mean calculated here?
in
Statistics
/
Population variance known, z-score
1 answers ( 0 marked as helpful)
Mohamed Gad
Posted on:
20 Nov 2022
0
Submit an answer
Submit answer
related questions
ABDULGAFAR SALIUOKULU
0
10
The NULL HYPOTHEIS here should it be Uny-Ula >= 0.2?
Quang Nguyen
0
8
How is the p value calculated in this example?
anas wael elsahly
3
4
Resolved:
What does (Sample Means) mean?
Purnendu Shukla
2
4
What does it mean by higher potential variability
Anas Alkhaldi
0
4
Is it a must that the population sample has to be normally distributed to work with student T dist?
Avtandil Chakhnashvili
0
4
If we know stdev from the sample and they're different, how do we assume variances are equal?
Callum Shaw
3
4
Difference between excel skew and calculated skew
Nishit Nishikant
0
4
Resolved:
why do you need to divide standard deviation of sampling means by sqrt of sample size?