# Test: Statistics Foundation II - Ambitious

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

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

$115,36,118,-12,33,-10,98,106,124,119$
$136$
$134$
$112$
$124$
Question 3:   Bar chart below represents number of rainy days over a month in a group of towns: How many towns are compared?
$41$
$25$
$37$
$43$
Question 4:   Using the bar chart from question 3, find the modal number of rainy days
$4$
$7$
$6$
$5$
Question 5:   Mean score of a basketball team in  $12$   games is   $93$  points. What is the total number of points scored?
$1206$
$1012$
$1116$
$954$
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?
$78$
$53$
$61$
$81$
Question 7:   The table below shows the scores of   $90$  basketball games. Which of the graphs below represents the table?

 Score Frequency $50 7 $60 12 $70 23 $80 25 $90 15 $100 8    Question 8:   Using the table from the question 7, calculate the mean score of the basketball game
$80.88$
$75.75$
$83.23$
$90.66$
Question 9:   Which of the stem-and-leaf diagrams represents the following data:

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

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

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 $0,2,3,4,7,7,8,8$

$32$
$29$
$30$
$30.5$