Statistics 2.4-2.6 Review

Find the median of these numbers:
4, 2, 7, 4, 3

• 2
• 5
• 7
• 4

What is the standard deviation for the data given:
{12, 13, 29, 18, 61, 35, 21}

• 293.67
• 15.87
• 17.14
• 41.98

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

What is the mean?

• # happening the most
• the number in the middle
• biggest-smallest
• the average

Calculate the MODE for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

• 7

• 7.44

• 8

• 7 and 8

Calculate the RANGE for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

• 7

• 7.44

• 8

• 7 and 8

Calculate the 5 number summary for the following data. You may use your graphing calculator.

• 1791, 3162, 6163, 8578, 9400

• 1791, 3815, 6472, 8924.5, 9400

• 6197.44

• 7609

Find the Inter-Quartile Range (IQR). You may use your graphing calculator.

• 7609

• 8924.5

• 2708

• 5416

If you score 76, 85, 97, and 83 on your math tests, what would your median score be? 

• 84
• 90
• 85
• 88

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the third quartile of the data?

• 37
• 38
• 40
• 46