Probability
and Statistics Worksheet 15

Answer Key

1 |
The number of
countries that participated in United Nations meeting in 5 different years
was 100, 120, 110, 100, 140. Find the following: a.
Mean:
114 b.
Median:
110 c.
Mode:
100 |

2 |
The marks scored by
6 student in a competitive exam were 45, 60, 45, 50,
70, 44. Find the following: a. Mean: 52.33 b.
Median:
47.5 c.
Mode:
45 |

3 |
The number of
matches proposed by the soccer federation for the next five years is 25, 25,
45, 40, 50. Find the following: a. Mean: 37 b.
Median:
40 c.
Mode:
25 |

4 |
The ground water
levels in 6 different cities across the world in meters are 50, 55, 34, 57,
60, 55, 64 .Find the following: a. Mean: 53.57 b.
Median:
55 c.
Mode:
55 |

5 |
The molecules of
seven different compounds contain the following number of atoms – 20, 33, 20,
25, 20, 35, 40. Find the following: a. Mean: 27.57 b.
Median:
25 c.
Mode:
20 |