Solve to the following problem:
1. Calculate Z scores for the dependent and independent variable values in the two hypotheses below. This will require calculating the standard deviation and converting the scores to Z scores.
Hypothesis: 1
(population per 100,000
ROBBERY ARRESTS CONVICTIONS
44 3
50 6
38 8
96 12
42 14
47 18
40 22
39 28
46 32
50 40
MEAN = 49.2 MEAN=18.3
MEDIAN = 45 MEDIAN =16
MODE =50 MODE=
N=10 N=10
Hypothesis: 2
DRUNK DRIVING ARRESTS 2005 Convictions
Jan: 50 40
Feb: 60 50
March: 70 60
April: 80 74
May: 90 80
June: 110 90
July: 120 100
August: 130 115
September: 150 150
October: 200 160
November: 250 240
December: 300 300
MEAN: 134.12 MEAN:121.6
MEDIAN: 115 MEAN; 95