For the data sets given below, find the Five Number Summary, mean, mode, IQR, standard deviation, and range. Then, interpret the data using the quartiles and the IQR.

Question

Number of Hours Julia Worked Each Day

4.5, 8, 7.5, 6.5, 6, 8, 8, 5.5, 5.5, 7.5

Answer 1

1. To find the mean you need to add all the numbers and divide the the set of of numbers.
2. To find range you need to subtract the greatest and least number.
3. Remember mode means the number that repeats in the set.
4. Remember standard deviation represents the set of values.
5. IQR is the inner quartile range. First find the inner quartile.