Question

l Grameenphone 3G 7 37% 12:56 AM 1. Problems Related to Scatter Diagr... Problems Related to Scatter Diagram 1. The following data were collected cn the height (inches) and weight (pounds) of women swimmers Height 68 62 65 64 66 Weight 132 102 11S 128 JO8 a Develop a scater diagram for these data with height as the independent variable b.What does the scaner diagram developed in part (a) indicate about the relationship between the two variables? c. Try to approximate the selaticnship between height and weight by drawing a straight line theough the dats 2 Data were collected on the mileage and the sale price for 10 private sales of model year 2000 Honda Acconds. Miles(100) 59 87 106 138 87 90 6e 90 94 72 54 64 72 Price (S00sh 7.0 75 6.6 7.0 70 51 a Develop a scater dagram with miles as the independent variable b. What does the scatter diagram developod in part (a) indicate about the relationship between the two variables? 3A sales manager collected the following data on annual sales and years of esperience. Experkne Years e Anaeal Sales (S100 105 111 123 17 13 136 a Develop a scatter diagram foe these data with years of experience as the independent variable b. What does the scater diagram developed in part (a) indicate about the relationship betwoen the two variables? 4 The following data show the temperature rating (F") and the price (S) for 11 models of sloeping bags. 25 Temperature Ratiag (F Price (S 24 24 45 12 4 319 229 1290 a Develop a scaner diagram fee these data with temperature raing (F) as the independent variable 359 2594 289 389 239 149 289 199 b. What does the scater diagram developed in part (a) indicate about the relationship between temperature ting (F) and price? S.The following data show the weight and the price for 10 three-seater personal watercraft 740 s00 790 720- 30 Weight () 75 770 830 720 1120 9300 jos0 S00 19000 2000 Frice (S 900 T700 8500 0000 a Develop a scater dagram for these data with weight as the indapendent variable b. What does the scator diagram developed in part (a) indicate about the nelationship between weight and price?

Answer 1

ans 1)

a)

Scatterplot of Height vs weight 68 67 66 64 63 62 100 105 110 115 120 125 130 135 weight Height

b) there is a strong positive linear relationship between weight and height ,as the height increases weight of the individual increases.

c )

Scatterplot of Height vs weight 68 67 66 64 63 62 100 105 110 115 120 125 130 135 weight Height

ans 2 )

a )

Scatterplot of milles vs prices 140 130 120 110 100 90 80 70 60 50 7,0 5.0 5,5 6.0 6,5 7,5 prices milles

b) there is negative relationship between the millage and sales price

3)

a )

  

Scatterplot of annual sales vs experiance 140 120 100 80 60 40 20 0 0 2 6 8 10 12 14 experiance annual sales

b ) there is a strong positive relationship between the annual sales and experiance as shown in the diagram

4 )

a)

Scatterplot of temprature vs price 50 40 30 20 10 0 400 100 150 200 250 300 350 price temprature

b ) there is strong negative relationship between the temperature and price as the temperature increase price decreases

5 )

a )

Scatterplot of weight vs price 840 820 800 780 760 740 720 7000 8000 9000 10000 11000 price weight

b ) there is moderate positive relationship between the weight and price