1.1. Draw a scatter diagram for the data above. 1.2. Calculate the correlation of coefficient (r). 1.3. Describe the relationship between the income per annum and the life insurance.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Question 1
An analyst for an insurance business wishes to determine the strength of the relationship between the
amount of life insurance held by families with the following results:
Income per annum (R1 000) (x)
Life insurance (R 1000) (y)
195
87
237
105
210
99
147
75
135
60
150
93
270
165
300
150
225
96
120
54
270
135
75
45
1.1. Draw a scatter diagram for the data above.
1.2. Calculate the correlation of coefficient (r).
1.3. Describe the relationship between the income per annum and the life insurance.
Transcribed Image Text:Question 1 An analyst for an insurance business wishes to determine the strength of the relationship between the amount of life insurance held by families with the following results: Income per annum (R1 000) (x) Life insurance (R 1000) (y) 195 87 237 105 210 99 147 75 135 60 150 93 270 165 300 150 225 96 120 54 270 135 75 45 1.1. Draw a scatter diagram for the data above. 1.2. Calculate the correlation of coefficient (r). 1.3. Describe the relationship between the income per annum and the life insurance.
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