Homework SourseMetabolic Rates a persons metabolic rate is the rate at whic
Metabolic Rates: a persons metabolic rate is the rate at which the body consumes energy. Metabolic rate is important in studies of weight gain, dieting, and excercise. Here are the metabolic rates of 7 men who took part in a study of dieting. The units are per calories per 24 hours
1792 1666 1362 1614 1460 1867 1439
A) find the mean of the data
B) find the deviations for each data point and their squares
C) calculate the variance as an average of the squared deviations then obtain s as the square root of the variance
Metabolic Rates: a persons metabolic rate is the rate at which the body consumes energy. Metabolic rate is important in studies of weight gain, dieting, and excercise. Here are the metabolic rates of 7 men who took part in a study of dieting. The units are per calories per 24 hours
1792 1666 1362 1614 1460 1867 1439
A) find the mean of the data
B) find the deviations for each data point and their squares
C) calculate the variance as an average of the squared deviations then obtain s as the square root of the variance
1792 1666 1362 1614 1460 1867 1439
A) find the mean of the data
B) find the deviations for each data point and their squares
C) calculate the variance as an average of the squared deviations then obtain s as the square root of the variance
Solution
a)
Mean of 7 observations = 1600
b)
c)
Sum of squared deviation = 214870
Average of sum of squared deviation = 214870/7 = 30685.71
s = sqrt(30685.71) = 175.2
| Observation | Deviation | Square of devaition |
| 1792 | 192 | 36864 |
| 1666 | 66 | 4356 |
| 1362 | -238 | 56644 |
| 1614 | 14 | 196 |
| 1460 | -140 | 19600 |
| 1867 | 267 | 71289 |
| 1439 | -161 | 25921 |
