How strongly do physical characteristics of sisters and brothers correlate? The data in the table give the heights (in inches) of 1212 adult pairs. Brother 7171 6868 6666 6767 7070 7171 7070 7373 7272 6565 6666 7070 Sister 6969 6464 6565 6363 6565 6262 6565 6464 6666 5959 6262 6464 To access the data, click the link for your preferred software format. CSV Excel (xls) Excel (xlsx) JMP Mac-Text Minitab14-18 Minitab18+ PC-Text R SPSS TI CrunchIt! © Macmillan Learning Assume Damien is 6767 inches tall. Predict the height of his sister Tonya. Give your answer to one decimal place. Tonya's predicted height:
How strongly do physical characteristics of sisters and brothers
| Brother | 7171 | 6868 | 6666 | 6767 | 7070 | 7171 | 7070 | 7373 | 7272 | 6565 | 6666 | 7070 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sister | 6969 | 6464 | 6565 | 6363 | 6565 | 6262 | 6565 | 6464 | 6666 | 5959 | 6262 | 6464 |
To access the data, click the link for your preferred software format.
CSV Excel (xls) Excel (xlsx) JMP Mac-Text Minitab14-18 Minitab18+ PC-Text R SPSS TI CrunchIt!
Assume Damien is 6767 inches tall. Predict the height of his sister Tonya. Give your answer to one decimal place.
The given data is as follows.
| Brother | Sister |
| 71 | 69 |
| 68 | 64 |
| 66 | 65 |
| 67 | 63 |
| 70 | 65 |
| 71 | 62 |
| 70 | 65 |
| 73 | 64 |
| 72 | 66 |
| 65 | 59 |
| 66 | 62 |
| 70 | 64 |
The random variable is brothers' height.
The random variable is sisters' height.
The formula for the correlation coefficient is as follows.
is the sample mean of sample one.
is the sample mean of sample two.
is the sample size.
The simple linear regression line is as follows
is the dependent variable.
is independent variable
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Enter the equation of the least‑squares regression line, with the numerical values rounded to three decimal places and ?� as the explanatory variable. (If you are using CrunchIt, adjust the default precision under Preferences as necessary.
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