Question

1. (12 pts) The frequency histogram below is titled, "Distribution of Self-Esteem Scores as Reported in PSYCH101." Use it to answer the questions which follow. 18 21 22 23 24 19 20 Self Esteem a) How many students were surveyed?

Answer 1

1.a) From the histogram shown in the question approximately we can say that 40 students were surveyed.

3.a) The five point summary for push-ups will approximately be

Minimum=30

Q1= Median of the first half data =40

Q2= Median=50

Q3= Median of the 2nd half of the data set=80

b) The median of the sit-up is 75

c) Range of the sit-up is Maximum-Minimum

=110-35

=75

d) Q3 for sit-ups is 85 , which the 75th percentile of the situps data also it is the median of the 2nd half of the situps data.

Note: Please note that all the values are approximate not accurate because the image appears to be inclined.