AMDM Midterm Review Units 3-4

Front

What is the median of the following numbers: 84, 88, 72, 74, 98, 16, 94?

Back

84

Front

Which of the following is a closed question? How happy are you with your English teacher? What did you expect to happen when you came to school today? What could the substitute have done better? Did you do your homework last night?

Back

Did you do your homework last night?

Front

Emily would like to buy some new furniture for her home. She decides to buy the furniture on credit with 9.5% interest compounded quarterly. If she spent $7,400, how much total will she have paid after 8 years?

Back

$15,683.28

Front

Find the median of these numbers: 4, 2, 7, 4, 3.

Back

4

Front

Find the IQR of the following numbers: 84, 88, 72, 74, 98, 16, 94.

Back

22

Front

Define median in statistics.

Back

The median is the middle value in a list of numbers sorted in ascending order.

Front

What is the formula for calculating the IQR (Interquartile Range)?

Back

IQR = Q3 - Q1, where Q3 is the third quartile and Q1 is the first quartile.

Front

How do you calculate the total amount paid on a loan with compound interest?

Back

Total Amount = Principal * (1 + r/n)^(nt), where r is the annual interest rate, n is the number of times interest is compounded per year, and t is the number of years.

Front

What is a closed question?

Back

A closed question is one that can be answered with a simple 'yes' or 'no' or a specific piece of information.

Front

How do you find the median of an even set of numbers?

Back

For an even set, the median is the average of the two middle numbers.