rscott2649
25.01.2020 •
Mathematics
Asample of 60 women is obtained, and their heights ( in inches ) and pulse rates ( in beats per minute ) are measured. the linear correlation coefficient is 0.234 and the equation of the regression line is ^y= 17.5 + 0.850x, where x represents height. the mean of the 60 heights is 63.4 in and the mean of the 60 pulse rates is 75.6 beats per minute. find the best predicted pulse rate of a woman who is 74 inches tall. use a significance level of a=0.01.
Solved
Show answers
More tips
- H Health and Medicine Headache: A Comprehensive Guide to Treatment...
- G Goods and services Stock center - a modern way of optimizing logistics...
- F Food and Cooking How to Properly Wash a Down Jacket? Tips from Experts...
- C Computers and Internet Thin Client: What It Is and Why You Need It?...
- F Food and Cooking The Most Delicious and Simple Fish in Batter Recipe...
- F Food and Cooking Red Caviar: How to Choose the Best?...
- C Computers and Internet Clearing Cache: How to Speed Up Your Browser...
- S Style and Beauty How are artificial nails removed?...
- S Style and Beauty Secrets of Tying a Pareo: 5 Ways...
Answers on questions: Mathematics
- M Mathematics PLS HELP ME WITH THIS...
- M Mathematics Find xSomebody please help me...
- B Business After obtaining an understanding of internal control and arriving at a preliminary assessed level of control risk, an auditor decided to perform tests of controls. the...
- M Mathematics Royale has 4 times as many water bottles as Jenna. Royale has 12 water bottles. How many water bottles does Jenna have?...
- M Mathematics Complete the sentences below using the vocabulary in the word bank. Attention: Not all words will be used. The is by a . Therefore, both parts are . Word Bank: Ray -...
- S Spanish With one and two whoever answers all first will be brainlest...
- E English One way I affect the environment positively is...
Ответ:
The best predicted pulse rate of a woman who is 74 inches tall is 80.4 (beats per minute).
Step-by-step explanation:
The best predicted pulse rate of a woman who is 74 inches tall is obtained below:
Let x denotes height (in inches) and y denotes pulse rates (in beats per minute).
From the information, the regression equation is, the total number of women is 60 and the linear correlation coefficient between height and pulse rates is 0.234 and the mean of heights is 63.4 and the mean of pulse rates is 75.6. The estimated regression line is
^y= 17.5 + 0.850x
The required best predicted pulse rates is,
=17.5 + (0.850×74)
=17.5 + 62.9
= 80.4 beats per minute
Ответ: