SOLUTION: using this data 3,13,15,16,16,20,23 N=7 what score would a z of -.25 be and what score would a z of 1.5 be. please show all work.
Algebra.Com
Question 955678: using this data 3,13,15,16,16,20,23 N=7 what score would a z of -.25 be and what score would a z of 1.5 be. please show all work.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
using this data 3,13,15,16,16,20,23 N=7 what score would a z of -.25 be and what score would a z of 1.5 be. please show all work.
--------------
Find the mean of the data::
(3+13+15+16+16+20+23)/7 = 106/7 = 15.14
----
std = 5.84
-----
score = z*s+u
Ans: score = -0.25*5.84+15.14 = 13.6
---------------
Cheers,
Stan H.
--------------
RELATED QUESTIONS
Ok, These 6 problems I apparently did wrong on my test... Can someone do them and explain (answered by stanbon)
If a set of data has a mean of 23 and a standard deviation of 5, what is the z-score for... (answered by Theo)
A set of data is normally distributed with a mean of 500 and a standard deviation of 100.
(answered by ewatrrr)
Needing a little help please......?
2 pts) The objective of statistics is best described (answered by stanbon)
Please help I have been working on this problem for the last hour...I am so... (answered by John10)
convert each subject's age and height into a z-score.
Using the z-score of ±1.645 for... (answered by ikleyn)
A distribution of values is normal with a mean of 99.5 and a standard deviation of 16.
(answered by ikleyn)
20. What percentage of the area under the Standard Normal Curve (Z-distribution) falls... (answered by Boreal)
The data in the table that follows was collected by a large car manufacturer concerning... (answered by stanbon)