# one-sample t-test

#### Solved (Free): A math instructor has written a new placement exam. He is concerned that the exam may be too long. The instructor claims that the average length of time required to finish

A math instructor has written a new placement exam. He is concerned that the exam may be too long. The…

#### Solved (Free): Percentages of ideal body weight were determined for 18 randomly selected insulin dependent diabetics and are shown below

Percentages of ideal body weight were determined for 18 randomly selected insulin dependent diabetics and are shown below: A percentage…

#### Solved: Average adult Americans are about one inch taller, but nearly a whopping 25 pounds heavier than they were in 1960, according to a new report

"Average adult Americans are about one inch taller, but nearly a whopping 25 pounds heavier than they were in 1960,…

#### Solved: Is lighter better? A random sample of men’s soccer shoes from an international catalog had the following weights (in oun

Is lighter better? A random sample of men's soccer shoes from an international catalog had the following weights (in ounces).…

#### Solved: Body mass index is calculated by dividing a person’s weight by the square of her height; it is a measure of the extent t

Body mass index is calculated by dividing a person's weight by the square of her height; it is a measure…

#### Solved: Is the Diet Practical? When 40 people used the Weight Watchers diet for one year, their mean weight loss was 3.0 lb and

Is the Diet Practical? When 40 people used the Weight Watchers diet for one year, their mean weight loss was…

#### Solved:The mean BMI in patients free of diabetes was reported as 28.2

The mean BMI in patients free of diabetes was reported as 28.2. The investigator conducting the study described in Problem…

#### Solved:E. canis infection is a tick-borne disease of dogs that is sometimes contracted by humans. Among infected humans,the distribution

E. canis infection is a tick-borne disease of dogs that is sometimes contracted by humans. Among infected humans,the distribution of…

#### Solved: Suppose the number of beds filled per day in a medium sized hospital is normally distributed. A hospital administrator tells the board of

Suppose the number of beds filled per day in a medium sized hospital is normally distributed. A hospital administrator tells…