Test: Statistics Foundation II - Ambitious

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Question 1:   Find the mean value in the following data set:

17,25,2,21,29,8,36,5,11,19
18.9
22.7
20.4
17.3
Question 2:   Find the range in the following data set:

115,36,118,12,33,10,98,106,124,119
134
124
136
112
Question 3:   Bar chart below represents number of rainy days over a month in a group of towns:


How many towns are compared?
43
25
37
41
Question 4:   Using the bar chart from question 3, find the modal number of rainy days
6
5
7
4
Question 5:   Mean score of a basketball team in   12   games is   93  points. What is the total number of points scored?
1206
954
1012
1116
Question 6:   Continuing the question 5, the mean score of   16 games is   85 points. What is the mean score of the last   4 games?
53
81
78
61
Question 7:   The table below shows the scores of   90  basketball games. Which of the graphs below represents the table?

Score Frequency
50<x60 7
60<x70 12
70<x80 23
80<x90 25
90<x100 15
100<x110 8









Question 8:   Using the table from the question 7, calculate the mean score of the basketball game
90.66
75.75
80.88
83.23
Question 9:   Which of the stem-and-leaf diagrams represents the following data:

11,5,21,23,31,41,7,18,15,27,24,29,32,35,36,23
0 5,7
1 1,5,8
2 1,3,4,7,9
3 2,5,6

Key: 0|5 represents 5
1 5, 7
2 1, 5, 8
3 1, 3, 4, 7, 9
4 2, 5, 6

Key: 1|5 represents 5
1 1,5,8
2 1,3,4,7,9
3 1,2,5,6

Key: 1|1 represents 11
0 5, 7
1 1, 5, 8
2 1, 3, 4, 7, 9
3 1, 2, 5, 6

Key: 0|5 represents 5
Question 10:   Using the stem-and-leaf diagram below find the median:

0 1,5,8
1 1,1,2,6
2 3,3,3,7,8,9,9
3 2,4,5,5,5,5
4 0,2,3,4,7,7,8,8

30
30.5
29
32