# Question: The following data represent the length of time in minutes

The following data represent the length of time (in minutes) between eruptions of Old Faithful in Yellowstone National Park.

Time (minutes) .... Frequency

40-49 ........ 8

50-59 ........ 44

60-69 ......... 23

70-79 .......... 6

80-89 ......... 107

90-99 ......... 11

100-109 ........ 1

(a) Approximate the mean length of time between eruptions.

(b) Approximate the standard deviation length of time between eruptions.

Time (minutes) .... Frequency

40-49 ........ 8

50-59 ........ 44

60-69 ......... 23

70-79 .......... 6

80-89 ......... 107

90-99 ......... 11

100-109 ........ 1

(a) Approximate the mean length of time between eruptions.

(b) Approximate the standard deviation length of time between eruptions.

## Answer to relevant Questions

Yolanda wishes to develop a new type of meatloaf to sell at her restaurant. She decides to combine 2 pounds of ground sirloin (cost $2.70 per pound), 1 pound of ground turkey (cost $1.30 per pound), and 1/2 pound of ground ...If a data set contains 10,000 values arranged in increasing order, where is the median located? The Insurance Institute for Highway Safety crashed the 2010 Ford Fusion four tim. at 5 miles per hour. The costs of repair for each of the four crashes were Compute the mean, median, and mode cost of repair. The following data represent the travel time (in minutes) to school for nine students enrolled in Sullivan’s College Algebra course. Treat the nine students as a population. Determine the population mean for travel time. Each of the following three data sets represents the IQ scores of a random sample of adults. IQ scores are known to have a mean and median of 100. For each data set, determine the mean and median. For each data set ...Post your question