An experiment is conducted in which 60 participants each fill out a personality test, but not ...

Question

An experiment is conducted  in which 60 participants each fill out a personality test, but not  according to the way the participants see themselves. Instead, 15 are randomly  assigned to fill it out according to the way they think theur mothers see  them (that is, the way they think their mothers would fill it out to  describe the participants); 15 as their fathers would fill it out for  them; 15 as their best friends would fill it out for them; 15 as the  professors they know best would fill it out for them. The main results  appear in Table 9-17. Explain these results to a person who has never had  a course in statistics.

Robert · Accepted Answer

Solution:
Z statistic are different from T statistic but both are used to find the Probability of getting a 
sample. 
Sampling distribution is done on the basis of sampling space. 
The sample mean is denoted by X   
Mean value μ 
tan
X
Z
s dard deviation






 
n = sample size 
Standard deviations  x= 
n

 
Z score (dealing with actual deviations) = 
X
Z
n




 
Here,

An experiment is conducted in which 60 participants each fill out a personality test, but not according to the way the participants see themselves. Instead, 15 are randomly assigned to fill it out...

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