we need to draw a histogram and explain whether the data represent normal distribution or not.

Perform the hypothesis test.

(formulate a null hypothesis; choose a significance level and appropriate hypothesis test, justify your selection; find the p-value and the effect size; interpret the results

Time of the day

Aggregation values

Day-time (n = 16)

6.23

6.91

6.35

6.29

6.45

6.30

6.60

6.54

6.64

6.90

6.11

7.28

6.93

7.89

7.21

6.90

Night-time (n = 16)

6.41

5.98

6.25

6.03

6.57

6.25

6.51

6.50

6.50

6.41

6.70

6.03

6.60

6.77

6.88

6.93