Hours Slept

5 5.5 6 6.5 7 75 8 8.5 9 9.5

Number of Hours

What is the difference between the greatest

and least number of hours of sleep that is

recorded on the plot?

Which type of graph most readily shows the interquartile range for a data set? bar graphs O box plots O dot plots o histograms

A word processing program requires a user to enter a 7-digit registration code made up of the digits 1,2,4,5,6,7 and 9. Each number has to be used, and no number can be used more than once. How many codes are possible?

Jaime wants to know how fast she can type, so she times herself as she types a paper. The paper has 410 words in it, and Jaime types it in 10 minutes. What is her typing rate, in words per minute?

What is the factorization of the trinominal below - x^2+2x + 48

What is the value of 3/7 multiply 0.1 divided by 5/21

What is the probability that a student randomly selected from a class of 60 students will be a male who has brown hair? 1) One-half of the students have brown hair. 2) One-third of the students are males.

What is the square of - 2/9

On the first day of summer the height of a plant was 9 inches long at the end of summer the plant was 3 3/4 feet the height of the plant at the end of the summer is how many times the height of the plant at the beginning of the summer

Write the numbers in order from least to greatest: 0.4, 3/5, 0.55, 1/4

Ken is driving down the road when a car suddenly pulls out in front of him. He applies the brake sharply and his car goes into a skid. While the car skids, it decelerates at a constant rate of 15 meters / sec2.