Exam 15: Business Statistics

Range is the measure of the spread of data around the mean in a data set.

Tony checked the price of a computer at six different stores. The prices are listed below. $1,200; $1,900; $1,500; $2,100; $1,600; $1,500 What is the mean cost of a computer?

What is the mean of the prices below? $45, $52, $60, $47, $53, $23, $55, $57

What is the median of the prices below? $452, $560, $455, $560, $440

Coach Ralph recorded the number of free throws made by the players on a team. 12, 10, 9, 15, 18, 11, 13, 8, 14, 7, 19, 6 The number of free throws were grouped into four equal classes (0-4, 5-9, 10-14, 15-19). How many players made between 10 and 14 free throws?

The standard deviation of the data set below is 62.5. 10, 15, 20, 30, 25

What is the mode of the list below? 78, 77, 75, 79, 74, 70, 78, 72, 74, 75, 70, 73, 79, 76, 71, 79, 71

What is the mode of the scores below? 99, 100, 78, 79, 83, 85, 89, 68, 77, 82, 88, 81, 84, 86

What is the mean of the prices below? $135, $250, $130, $250, $175, $180, $240, $220

The purpose of a __________ __________ __________ is to help organize large amounts of data into a form that is more understandable.

The mean is the number that is in the middle when numbers are arranged in ascending or descending order.

What is the mode of the list below? 102, 105, 111, 104, 123, 132, 204, 201, 106, 116, 115, 142, 131

What is the median of the list below? 801, 753, 811, 836, 821, 789, 741, 811, 812, 799

Describe how to use Excel and its functions to calculate the range of a set of values.

What is the mode of the list below? 540, 650, 870, 250, 630, 520, 940, 880, 870, 620, 740, 850, 710

What is the standard deviation of the following set of data? 18, 14, 12, 16, 22, 26

The list shows 8 salaries. $42,000; $51,000; $45,000; $49,000; $48,000; $50,000; $43,000; $48,000 What is the range of salaries?

What is the median of the list below? 592, 576, 523, 594, 601, 532, 555, 566, 529, 578, 594, 582, 545

The median of the list below is 25. 17, 13, 25, 26, 13, 9, 28, 33, 32

Linda spent $375 at the grocery store. She spent $75 on dairy products. Linda made a pie graph to show her grocery bill. How many degrees would be designated for dairy products?