5. The following table shows the number of
times Key Club students at Peconic High
School went to Echo Beach last summer.
a. How many students are in the Key Club?
b. Find the mean, median, mode, range,
variance, and standard deviation for the
distribution. Round to the nearest tenth.
c. Millions of visitors go to Echo Beach each
summer, many of them repeatedly. If the
distribution of the number of visits per
person last summer is normal with mean
6.2 and standard deviation 2, find the
percent of visitors who went to the beach
more than eight times. Round to the nearest percent.
d. Using the statistics from part c, find the percent of visitors who went to
the beach between five and seven times, inclusive. Round to the nearest
percent.
Number of Echo
Beach Trips