For the following set of data, find the sample standard deviation,
to the nearest hundredth.
34, 47, 16, 43, 73, 17, 56

Summary:

The ratio of wooden bats to metal bats in the baseball coach’s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?