Six students in Mrs. Garcia’s Spanish class received the following scores on a test:
10 12 5 2 5 8
Compute the following:
(a) The meantesting score
(b) The mediantesting score
(c) The modal testing score
(d) The rangeof the testing scores
(f) The standard deviationof the testing scores
(g) The quartiles Q1 and Q3 testing scores.
(a). The mean testing score = (2+5+5+8+10+12)/6
(b). The median testing score = the average of 3rd and 4th score = (5+8)/2 because we have 6 data points
(c). The modal …
Descriptive statistics for student test scores are examined.