What is the first quartile (q1) of the data set?
51, 42, 46, 53, 66, 70, 90, 70
a. 48.5
b. 59.5
c. 61
d. 70

A ) First quartile (Q1): 48.5.

Step-by-step explanation:

Given : 51, 42, 46, 53, 66, 70, 90, 70   .

To find : What is the first quartile (Q1) of the data set?

Solution : We have given  51, 42, 46, 53, 66, 70, 90, 70   .

Arrange the data least to greatest

42 ,46, 51, 53, 66, 70, 70, 90.

First half is 42 ,46, 51, 53,

Second half is 66, 70, 70, 90.

First quartile (Q1): .

First quartile (Q1): .

First quartile (Q1): 48.5

Therefore, A ) First quartile (Q1): 48.5.

step-by-step explanation:   divide the numerator by the denominator to get the decimal

it would still be 193

if divide by 100 then 1.93

i am not sure

the answer is b