The option D is the correct option.
According to the statement
we have to define the sample variance in the words.
So,
The sample variance is the sum of the squared deviations from the mean divided by the number of measurements minus one.
and in the case of the population variance it becomes
The population variance is the average of the squared distances of the measurements on all units in the population from the mean.
This is the method by which we define the sample variance and population variance.
So, The option D is the correct option.
Learn more about the VARIANCE here brainly.com/question/15858152
#SPJ4
Answer:
20
Step-by-step explanation:
40 - 15 = 25
25/1.25=20
Are you good and why are you saying pls help fast
Answer:
60 songs
Step-by-step explanation:
