Answer:
The average number of students in kindergarten classes is 21.
Step-by-step explanation:
To do this, just add them up and divide by the total number (which is 10).
Answer:
a=-108
Step-by-step explanation:
a+22=-86 both sides -22
a+22-22=-86-22
a=-108
Answer:
71.4699, 81.7301.
Step-by-step explanation:
So, the following are the scores: 74
90
84
78
61
65
62
67
73
75
76
95
71
98
80


The length of the score : 15
Then, let the size of the scores be n : 15.
Then, we have to find the mean.







