Mr. jacobs is going to make a histogram of the test scores from the last math test he gave. he plans to first organize the data into a stem-and-leaf plot and then make the histogram from the stem-and-leaf plot. the test scores are listed below. 79, 82, 65, 61, 94, 97, 84, 77, 89, 91, 90, 83, 99, 71, 68, 77, 87, 85 what is the mode interval of the data? 60-69 70-79 80-89 90-99

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?