Post a New Question


posted by .

Miss C gives a test to the 10 students in her first-period algebra class. The grades are


A. Find the mean and Standard Deviation of the 10 scores.
B. List all the reasons for why the late class could have a different mean or standard deviation

  • math -

    A. Find the mean first = sum of scores/number of scores

    Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance.

    Standard deviation = square root of variance

    B. Inadequate data

    I'll let you do the calculations.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question