Which of the following measures of spread are based on the mean? check all that apply. a. variance b. standard deviation c. interquartile range d. range

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

have a nice day!

15: 24

62.5%

step-by-step explanation: