Probability
and Statistics Worksheet 4

Answer Key

1 |
Marks scored by 9
students in a test, out of 50, are 43, 45, 23, 38, 43, 48, 35, 33, 43. Find the following: a.
Mean:
39 b.
Median:
43 c.
Mode:
43 |

2 |
The cost of a burger
at five outlets in different parts of a city is $25, $15, $17, $25, $20. Find
the following: a. Mean: 20.4 b.
Median:
20 c.
Mode:
25 |

3 |
The marks obtained
by 6 students in a written test, out of 100 are 75, 95, 75, 75, 80, 80. Find the following: a. Mean: 80 b.
Median:
77.5 c.
Mode:
75 |

4 |
The cost of a pizza
at four different outlets in different parts of a country is $10, $14, $14,
$10.8. Find the following: a. Mean: $12.2 b.
Median:
$12.4 c.
Mode:
$14 |

5 |
The capacities of
six water tanks in gallons are 500, 400, 300, 500, 500, 250.
Find the following: a. Mean: 408.33 b.
Median:
450 c.
Mode:
500 |