due today The dot plot represents student scores on a math test.
a. How many students took the test?
40 50 60 70 80 90
b. What is the median score?
10 20 30
c. How many students scored at least a 60 on the test?

So sorry this is late! Hopefully this can still be useful in some way.

A: 13 students took the test. count how many dots there are, and that your answer!

B: The median score is 60. We can find this by ordering all the scores in order from least to greatest, and finding which is in the middle. In this question, its 20, 20, 20, 20, 40, 50, 60, 60, 60, 80, 80, 80, 90

C: There are 7 students that scored at least a 60. All we have to do is count how many dots there are at 60 or above!

Again, sorry for being late, but hope this helped :)

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.

e.

step-by-step explanation:

because there are always 10 numbers in a phone number.