Averages (WorkKeys Unit II)

Front

What is the formula for calculating the average?

Back

Average = (Sum of all values) / (Number of values)

Front

If you served 166 customers on Monday, 132 on Tuesday, 88 on Wednesday, and 196 on Thursday, how do you find the average number of customers served?

Back

Add the customers served each day: 166 + 132 + 88 + 196 = 582. Then divide by 4 (the number of days): 582 / 4 = 146.

Front

What is the average amount raised by four groups if they raised $1,258, $639, $1,723, and $2,312?

Back

Add the amounts: 1,258 + 639 + 1,723 + 2,312 = 6,932. Then divide by 4: 6,932 / 4 = $1,483.

Front

How do you calculate the average number of pages read over a week if you read 108, 67, 114, 100, and 416 pages?

Back

Add the pages: 108 + 67 + 114 + 100 + 416 = 805. Then divide by 5: 805 / 5 = 161.

Front

What is the average number of tickets sold over a weekend if 314 were sold on Friday, 534 on Saturday, and 190 on Sunday?

Back

Add the tickets: 314 + 534 + 190 = 1,038. Then divide by 3: 1,038 / 3 = 346.

Front

How do you find the average grade from the scores 90, 85, 79, 94, 92, and 88?

Back

Add the grades: 90 + 85 + 79 + 94 + 92 + 88 = 528. Then divide by 6: 528 / 6 = 88.

Front

What is the significance of averages in data analysis?

Back

Averages provide a central value that summarizes a set of data, helping to understand overall trends.

Front

Define 'mean' in the context of averages.

Back

The mean is the sum of all values divided by the number of values, commonly referred to as the average.

Front

What is the difference between mean, median, and mode?

Back

Mean is the average, median is the middle value when data is sorted, and mode is the most frequently occurring value.

Front

How can averages be misleading?

Back

Averages can be skewed by outliers, which may not represent the typical value of the data set.