table of correlation coefficients

The life expectancy at birth (years) of males and females in some countries is shown here. Males 67 69 69 57 55 54 50 49 50 48 Females 77 76 72 60 59 57 53 51 49 50 Calculate the correlation coefficient and describe the relation. => + 0.98; strong positive relationship or - 0.98..

The supply and price of an item are shown here. Supply (tonnes) 10 20 30 40 50 60 70 80 90 100 Price ($) 100 75 50 40 30 25 20 15 12 10 Calculate the correlation coefficient and describe the relationship between them. => + 0.12; weak positive relationship or - 0.12; weak negativ..

The scores of 10 students in mathematics and statistics examination are shown in the table. Calculate the coefficient of correlation between these two subjects and describe the relationship. Student A B C D E F G H I J Scores in Mathematics 86 96 72 99 90 88 93 78 82 8..

(The values given below should be treated as approximate, as they vary with different specimens of the same material) SI. No Substance Yong’s modulus (Y) 10 11 dyne cm -2 or 10 10 N m -2 Bulk modulus (K) 10 11 dyne cm -2 or 10 10 N m -2 Rigidity modulus..

The coach of an NBA team wanted to know the relationship between the heights of his players and the average points scored by them in each game. After certain rounds of games he had this data. Player A B C D E F G H I J Height (in inches) 71 78 79 80 82 84 81 81 74 80 Points (avg/game) 13.6 27.6 15...

A researcher wishes to examine whether there is a correlation between cost of internet service per month and degree of customer satisfaction.The data collected is shown here. Calculate the correlation coefficient and describe the relationship. Dollars 12 24 14 12 18 6 ..

The scores of 10 students in mathematics exam and statistics exam are shown here. Student A B C D E F G H I J Scores in Mathematics 86 96 72 99 90 88 93 78 82 80 Scores in Statistics 82 93 70 98 88 90 96 80 86 78 Calculate the coefficient of correlation between these two subject..

The heights of seven brothers and their sisters are shown here. Calculate the correlation coefficient and determine if there is an association between the heights of brothers and their sisters. Brother's height (inches) 67 73 69 68 65 63 71 Sister's height (inches) 62 65 64 63 6..

The age and the systolic blood pressure (in mmHg) of 10 people are given here. Find the correlation coefficient and describe the relation between them. Age 42 62 46 38 42 56 54 48 60 36 Systolic Blood pressure 124 148 124 112 140 145 148 144 154 115 => + 0.871; strong positive r..

Calculate the correlation coefficient for the data shown and describe the relationship. x 43 40 44 42 41 45 43 44 y 44 43 40 45 43 42 40 44 => - 0.216; weak negative relationship or - 0.126; weak negative relationship or - 0.116; weak negative relationship or 0.116; weak positiv..