The following data shows the average monthly Expenditure (X) in thousands of Ghana cedis and Sales (Y) in thousands of Ghana cedis for 12 different spare parts stores in the Abbosey Okai Spare Parts Lane at Abbosey Okai in the Greater Accra Region of Ghana. Stores A в |сDEF G H I к X 46 57 39 116 62 77 41 61 15 53 68 Y 78 102 66 214 98 72 98 134 21 67 95 a) Plot a scatter diagram for this data on the graph sheet provided. b) Draw the line of the best fit for this data. c) Find the Regression equation from the scatter diagram plotted. d) Find the Regression Equation again by means of computation to confirm your results in (c) above and after that comment on your results. e) Calculate the coefficient of Correlation to show the strength and direction of the relationship. Give the full interpretation of your results.
The following data shows the average monthly Expenditure (X) in thousands of Ghana cedis and Sales (Y) in thousands of Ghana cedis for 12 different spare parts stores in the Abbosey Okai Spare Parts Lane at Abbosey Okai in the Greater Accra Region of Ghana. Stores A в |сDEF G H I к X 46 57 39 116 62 77 41 61 15 53 68 Y 78 102 66 214 98 72 98 134 21 67 95 a) Plot a scatter diagram for this data on the graph sheet provided. b) Draw the line of the best fit for this data. c) Find the Regression equation from the scatter diagram plotted. d) Find the Regression Equation again by means of computation to confirm your results in (c) above and after that comment on your results. e) Calculate the coefficient of Correlation to show the strength and direction of the relationship. Give the full interpretation of your results.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 26PPS
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Transcribed Image Text:The following data shows the average monthly Expenditure (X)
in thousands of Ghana cedis and Sales (Y) in thousands of Ghana
cedis for 12 different spare parts stores in the Abbosey Okai
Spare Parts Lane at Abbosey Okai in the Greater Accra Region
of Ghana.
Stores A в |сDEF G H I к
X
46 57
39 116 62 77 41
61
15 53 68
Y
78 102 66 214 98 72 98 134 21 67 95
a) Plot a scatter diagram for this data on the graph sheet
provided.
b) Draw the line of the best fit for this data.
c) Find the Regression equation from the scatter diagram plotted.
d) Find the Regression Equation again by means of computation
to confirm your results in (c) above and after that comment on
your results.
e) Calculate the coefficient of Correlation to show the strength
and direction of the relationship. Give the full interpretation
of your results.
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