Question

The data given below correspond to the weights in kg of eighty people. Get the mean and the mode.

Answer 1

ANSWERS

• Mean: 67.025

,

• Mode: 67

Step-by-step explanation

The mean is the sum of all the data, divided by the amount of data,

`\bar{x}=(1)/(n)\sum_{i\mathop{=}1}^nx_i`

In this case, the amount of data is 80,

`\bar{x}=67.025`

Hence, the mean of this data set is 67.025.

The mode is the value or values in the data set that occurs most frequently. It is easier to find if we order the data set,

The value 67 occurs 9 times, while the second most frequent value is 66, which occurs 7 times.

Hence, the mode of this data set is 67.