Probability
and Statistics Worksheet 18

Answer Key

1 |
The heights of six
students in a class (in cm) are 153, 155, 149, 160, 170, 155.
Find the following: a.
Mean:
157 b.
Median:
155 c.
Mode:
155 |

2 |
The rates of five
fruits in the market were $33, $50, $44, $41, $41. Find the following: a. Mean: $41.8 b.
Median:
$41 c.
Mode:
$41 |

3 |
The results of a
survey of 100 people on the preference of print verses electronic media in seven
cities show the following number of people who like newspaper: 55, 56, 70,
60, 61, 78, 70 . Find the following: a. Mean: 64.29 b.
Median:
61 c.
Mode:
70 |

4 |
The costs of 5
sharpeners in the market are $3.5, $5.9, $ 5.4, $3.5, $5.0. Find the
following: a. Mean: $4.66 b.
Median:
$5.0 c.
Mode:
$3.5 |

5 |
The points scored by
seven teams in a quiz competition are 100, 105, 130, 100, 106, 130, 250. Find the following: a. Mean: 131.57 b.
Median:
106 c.
Mode:
100 |