Ellie wanted to know how much her mother spent on groceries weekly, so she saved each week's receipt for a whole year.

Which measure of central tendency should be used to calculate the average amount spent per week?
A.
range
B.
mode
C.
mean
D.
median

What values of data might affect the statistical measures of spread and center

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955