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Listed below are the amounts of weight change (in pounds) for 12 women during their first year of work after graduating from college. Positive values correspond to women who gained weight and negative values correspond to women who lost weight. What is the mean weight change?
1 -10 1 -9 17 -5 12 0 16 -4 18 7
The numbers listed below represent the amount of precipitation (in inches) last year in six different U.S. cities.
20.7 21.9 46.2 35.9 17.4 24.5
Listed below are the amounts of weight change (in pounds) for ten women during their first year of work after graduating from college. Positive values correspond to women who gained weight and negative values correspond to women who lost weight. What is the range?
3 9 5 12 -1 25 0 -4 7 -1
Andrew asked seven of his friends how many cousins they had. The results are listed below. Find the mean number of cousins.
16 11 4 9 5 2 8
The number of vehicles passing through a bank drive-up line during each 15-minute period was recorded. The results are shown below. Find the median number of vehicles going through the line in a fifteen-minute period.
22 24 22 25
25 22 27 24
32 28 28 26
21 28 22 17
12 24 24 24
Alex and Juana went on a 70-mile canoe trip with their class. On the first day they traveled 14 miles. What percent of the total distance did they canoe?
Use the sample summary statistics in the output to verify the value for t in this case. What is the p-value corresponding to your alternative hypothesis?
Which the maximum number is 69, what is the probability that the number of people who show up will exceed the capacity of the plane?
When water taxi sank in the Baltimore Inner Harbor, an investigation revealed that the safe passenger load for water taxi was 3500 lbs. It was also noted that the mean weight of passenger was assumed to be 140 lbs.
The difference between the median and mode
You have administered a standardized test of manual dexterity to two groups of 10 semi skilled workers. One of these two groups of workers will be employed by you to work in a warehouse with many fragile items.
Incomes in the thousands of dollars were sampled in one region, they are as follows (1.5, 3.0, 4.2, 5.6, 2.6, 4.1, 0.9, 5.7, 5.4, 2.6) Assume the population is normal.
researchers at a food company are interested in how a new spaghetti sauce made from green tomatoes and green in color
All of us have consumed food and beverages from contract-managed food providers (e.g.,school cafeteria, theaters, sporting events, airline, etc.).
Discuss potential threats to internal validity posed and Describe two ways to deal with the threats
fran believes that the odds in favor of her team winning the basketball game tomorrow are 9 to 7. what is the
Find the standard error of the mean Also establish an interval estimate around the sample mean using one standard deviation of the mean.
The probabilities of failures for the components 1 and 2 during one period of operation are .15 and .07 respectively, and the component failures are independent. What is the probability that the system functions properly during one period of oper..
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