Question

The weights of new born ** (in kg.) in a hospital on a particular day are as follows:

2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4

(i) Rearrange the highest weight.

(ii) Determine the highest weight.

(iii) Determine the lowest weight.

(iv) Determine the range.

(v) How many ** were born on that day?

(vi) How many ** weigh below 2.5 kg?

(vii) How many ** weigh more than 2.8 kg?

(viii) How many ** weigh 2.8 kg?

Answer 1

(i) Arrange weights in descending order:

3.1, 3.0, 2.9, 2.9, 2.8, 2.8, 2.7, 2.7, 2.6, 2.5, 2.5, 2.4, 2.3, 2.2, 2.1.

(ii) Highest weight = 3.1 Kg

(iii) Lowest weight = 2.1 Kg

(iv) Range = 3.1 kg – 2.1 kg = 1.0 Kg

(v) 15 ** were born on that particular day.

(vi) 4 ** weight below 2.5 Kg.

(vii) ** more than 2.8 Kg weight are 4.

(viii) ** weigh 2.8 Kg are 2.