What are four things that every bar graph must include?
What is title, x axis, y axis, appropriate scale, appropriate interval, labels for axes.
100
A car dealership sells seven makes of cars. Which data display could be used to compare sales for each make of car last year?
What is bar graph
100
identify the sequence as geometric, arithmetic, or neither, and find the next term
9, 15, 21, 27, ____
What is arithmetic sequence, 33
100
Round 7.126 to the nearest tenth
What is 7.1
200
Find the median, mode(s) and range of the numbers below:
64, 60, 64, 38, 52, 65, 61, 48
What is median = 60.5, mode = 64, range = 27
200
see text book page 120
What is 27
200
A store wants to display profits for this quarter. Which type of data display should be used to compare this quarter's profits to last quarter's profits?
What is a line graph
200
What is the COMMON RATIO for the geometric sequence below? Find the next term.
9, 27, 81,
What is common ration = 3, next term = 243.
200
Evaluate the expression when k = 5.874, m = 123.1, y = 26.3, and z = 12.28.
m- y - 61.5
What is 35.3
300
You receive the pledge amounts listed below for your participation in a dance-a-thon. Which measure best represents the pledge amounts? Explain why.
$1, $8, $12, $10, $45, $9, $1, $7, $6
What is the median because $45 is an outlier
300
see textbook page 121 # 15
What is c
300
Which data display would you use to compare frequencies of data falling in equal intervals?
What is a histogram
300
Evaluate the following expression.(8 - 2)^2 + 12 /6
What is 38
300
Central Park, in New York City, is a rectangular park about 2.5 miles long and about 0.5 mile wide. What is the are of Central Park?
What is about 1.25 square miles
400
Find the value of x to make the mean for the set of data below equal to 5.
5, 8, 9, 4, 1, x
What is 3
400
see text page 131 # 8 (parts a, b, and c)
What is a = 15, b = 98, c= answers will vary. most students received a grade above 70 and almost half received a grade above 90
400
Give an example of data that can be displayed in a histogram, but not in a line graph. Explain your answer.
What is answers will vary. Example: A class's grades on an English test can be displayed in a histogram, but not a line graph, because it is not data over time
400
To find the number of points earned by a soccer player, you can evaluate the expression 2g + a, where g is the number of goals scored and a is the number of assists. Find the number of points earned by a soccer player with 6 goals and 13 assists
What is 25 points
400
Find the quotient.
23.5 /0.66
What is 35.61
500
Find five numbers with a mean of 16, a median of 15, a mode of 21, and a range of 11
What is 10, 13, 15, 21, 21
500
Which data display should a restaurant owner use to display the number of customers served on each saturday night during the past year? Explain your choice.
What is a line graph because it would show how the number of customers changed during the year.
500
You want to display the number of points scored during the season by each player on a basketball team. What display should you use to group the points into ordered lists?
What is a stem and leaf plot.
500
At a party supply sotre, you buy 2 hats that cost $2 each, 4 flashing wands that cost $3 each, and 2 gift boxes that cost $1 each. You give the cashier $20. How much change do you receive?
What is $2
500
You are making square shaped signs from a large piece of wood that has a length of 66 inches and a width of 33 inches. Each sign that you make will have sides of length 8.25 inches. How many squares can be cut from 66 inches?