Probability
and Statistics Worksheet 12

Answer Key

1 |
The number of
accesses to a web page on the seven days of the week is 190, 200, 130, 210,
200, 198, 200. Find the following: a.
Mean:
189.71 b.
Median:
200 c.
Mode:
200 |

2 |
The expenditures of
Justin in first five months of an year are $1000,
$1200, $1000, $1100, $1150. Find the following: a. Mean: $1090 b.
Median:
$1100 c.
Mode:
$1000 |

3 |
Andrew sells stamps
and earns as revenue on each day of a particular week as follows: $31, $44,
$47, $50, $21, $31, $31. Find the following: a. Mean: $36.43 b.
Median:
$31 c.
Mode:
$31 |

4 |
The prices of air
conditioners of different brands are $130, $200, $140, $130, $130, $155,
$165, $200, $110. Find the following: a. Mean: $151.11 b.
Median:
$140 c.
Mode:
$130 |

5 |
Adams runs different
distances every morning. He runs (in km) from Monday to Friday 2, 2, 2.5,
3.4, 1.9, respectively. Find the following: a. Mean: 2.36 b.
Median:
2 c.
Mode:
2 |