School administrators asked a group of students and teachers which of two school logo ideas, logo A or logo B, they prefer. This table shows the results.
Which statement is true?
Logo A
Logo B
Total
Students
84
16
100
Teachers
21
4
25
Total
105
20
125
A. There is no difference between the preferences of students and
teachers.
B. Logo A is more popular with teachers, but logo B is more popular
with students.
O C. Logo B is more popular with both students and teachers.
D. Logo B is more popular with teachers, but logo A is more popular
with students.

A because both teachers and students Prefer Logo A

solution:

as, mean is defined as sum of all the observations divided by total number of observations.

and , median is mid value of the data whether arranged in ascending order or descending order.

consider, roadsters:

2,3,4,5,6,7,8,9

mean =

also, median= , because number of observations is even, so median is mean of two mid values.

now, coming to bandits

2,3,4,5,6

mean =  

median = 4, as number of observations is odd.

so, roadsters has greater median as well mean than bandits.

→option a is true about the repairs performed on 2 types of cars:

bandits have lower median and mean than roadsters.

step-by-step explanation: