1) Construct a bar graph of the given frequency distribution. The frequency distribution indicates the height in feet of persons in a group of 54 people.
| Height (feet) |
Number of person |
4-5
|
6 |
5-6
|
34 |
6-7
|
12 |
7-8
|
2 |
2) Construct a pie graph, with sectors given in percent, to represent the data in the given table.
| Favorite Restaurant Style |
Number of Responses |
| Chinese |
92 |
| Indian |
60 |
| Mexican |
96 |
| Thai |
72 |
3) Use the data to construct a frequency distribution. A car insurance company conducted a survey to find out how many car accidents people had been involved in. They selected a sample of 32 adults between the ages of 30 and 70 and asked each person how many accidents they had been involved in the past ten years. The following data were obtained.
| 0 |
1 |
0 |
3 |
2 |
1 |
0 |
2 |
| 1 |
1 |
1 |
0 |
2 |
0 |
4 |
1 |
| 2 |
0 |
0 |
1 |
0 |
2 |
1 |
3 |
| 1 |
3 |
0 |
0 |
1 |
0 |
5 |
4 |
Construct a frequency distribution, letting each class have a width of one.
4) Construct a histogram of the given frequency distribution. The frequency distribution indicates the age of 2190 students in a college chemistry course.
| Age(Years) |
Number of People |
| 18 |
425 |
| 19 |
130 |
| 20 |
345 |
| 21 |
295 |
| 22 |
260 |
| 23 |
205 |
| 24 |
180 |
| 25 |
110 |
5) State College's women's basketball team had the following scores in their last 7 games: 85, 66, 74, 98, 54, 85, and 83. Find the mean, median and mode of these scores.
6) To get a C in history, Nandan must average 72 on four tests. Scores on the first three tests were 68, 77, and 61. What is the lowest score that Nandan can get on the last test and still receive a C?
7) Samuel consumed 2129 calories of food on Monday, 2348 calories on Tuesday, and 1863 calories on Wednesday. In order for Samuel's average calorie intake to equal a daily average of 2200 calories, how many calories of food must he consume on Thursday?
8) Find the range and the standard deviation of the following prices of backpacks: $11.99, $8.84, $16.98, $9.99, $10.45, $10.86, $11.99.
9) Calculate the sample mean, sample variance and sample deviation for the following data sets. Round answer to the one decimal place.
251, 120, 282, 252, 211, 204, 135, 134, 145
10) If a baseball player has a batting average of 0.420, what is the probability that the player will get at least 2 hits in the next four times at bat?