I need help with this question please! Thank you!

Statistics
Tutor: None Selected Time limit: 1 Day

Members of a freshman orientation class take a time management test. Their average time management score is 82, and the standard deviation for their scores is 6. Using the formula for    ơӎ what will ơӎ be when                            

                            

                                 a. The sample size is 25,  
                                 b. the sample size is 36, and  
                                 c. the sample size is 49?  

May 25th, 2015

  can you tell your questions clearly?

 what is O.M here 

 reply fast

May 25th, 2015
σM=σ/sqrt(N)


May 25th, 2015

please show calculations

May 25th, 2015

ok.. thnx 

May 25th, 2015

its a long calculation  it will take time.

May 25th, 2015

ok

May 25th, 2015

σ = 6  

for a  N =25

a) σm = 6/5 = 1.2

b) σm = 6/6=1

c) σm = 6/7=0.8



May 25th, 2015

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May 25th, 2015
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May 25th, 2015
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