A teacher wants to determine the mean score of students taking a newly developed test.Her students scored as follows: 40,45,60,65,70,70,70,80,90,100.Compute the mean for the class.
A) 69
B) 70
C) 69.5
D) none of these
Correct Answer:
Verified
Q29: In a normal distribution,the _.
A)mean is usually
Q30: The _ is the difference between the
Q31: Compute the sum of squares for the
Q32: The median _ the sum of the
Q33: Considering the distribution -2,-4,-6,-8,-10,the SS is _.
A)40
B)8
C)-40
D)-8
Q35: SS is the _.
A)sum of standard scores
B)sum
Q36: If a researcher were to subtract the
Q37: The _ is the measure of central
Q38: The mean of a set of scores
Q39: After giving a test to all members
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