Flashcards in Test 7 Unit 9 Deck (27):

1

## Based on 400 people in the survey, find 16%

### 400 x .16 = 64

2

## Based on 400 people in the survey, find 23%

### 400 x .23 = 92

3

## Based on 400 people in the survey, find 9%

### 400 x .09 = 36

4

## Based on 400 people in the survey, find 34%

### 400 x .34 = 136

5

## Based on 400 people in the survey, find 18%

### 400 x .18 = 72

6

##
Find the Pct to the nearest thousandth.

Games won -- 15; Games played -- 25

### 15 divided by 25 = .600

7

##
Find the Pct to the nearest thousandth.

Games won -- 10; Games lost -- 15

### total games 25. 10 divided by 25 = .400

8

##
Find the Pct to the nearest thousandth.

Games won -- 18; Games lost -- 18

### total games 36. 18 divided by 36 = .500

9

## Find the mean. 14;25;18;14;9

### 16

10

## Find the mean. 9;11;8;7;10

### 9

11

## Find the median. 93;17;85;42;15;19;78

###
15;17;19;42;78;85;93 odd number 42 in middle

42

12

## Find the median. 11;15;9;7;7;12

### 7;7;9;11;12;15 even number avg. middle two 9&11. Median is 10

13

## Find the mode of 9;12;7;9;3;8

### 9

14

## Find the mode of 97;86;85;93;86;88;91

### 86

15

## a round graph

### circle graph (or pie)

16

## a vertical bar graph that deals with frequencies

### histogram

17

## a graph with pictures

### pictograph

18

## a graph with bars

### bar or column graph

19

## a graph with lines

### line graph

20

## Dustin had these grades on his last report slip: 93; 97; 85; 74; and 91. Rank the grades from least to greatest.

### 74; 85; 91; 93; 97

21

## For the past five days, the Criswell family has traveled these miles: 389; 126; 419; 93; and 394. Find the range.

### 326 mi.

22

## If 1/4 inch represents 50 miles, how many inches are needed to represent 225 miles?

###
225 divided by 50 = 4.5

4.5 x 1/4 =

4.5 x .25 = 1.125 = 1 1/8 inch

23

## Miss Taylor graded 50 English research papers. 12 of them received a grade of A. Miss Taylor drew a circle graph to display the grades. What percent of the circle graph was devoted to the A papers?

### 12 divided by 50 = .24 or 24%

24

## A histogram showed that 8 students made between 60 & 70, 7 made between 70 & 80, 11 made between 80 & 90, and 9 made between 90 & 100. How many students took the test?

### 35 students

25

## Delbert's Deli sold the following sandwiches last week: 145 tuna, 289 turkey, 167 ham, 315 club, and 244 subs. Find the mean number sold.

### 232

26

## The prices of the sandwiches are as follows: tuna - $4.69; turkey - $3.89, ham - $3.49, club - $4.89, and sub - $4.25. Find the median price.

### $4.25

27