STUDY.COM BUS 212-CHAPTER 3

What is the frequency distribution pattern of data that has been grouped into deciles?

It is flat

What numbers besides zero cannot be used in geometric mean calculations?

Negative numbers

Irene is doing her best to lose a little weight by monitoring how many calories she consumes per day. She follows a one week diet just to test things out. If she eats 1620 calories on Monday, 1510 on Tuesday, 1720 on Wednesday, 1580 on Thursday, 1650 on Friday, 1705 on Saturday and 1835 on Sunday, what is her average daily consumption?

1,660 calories

The number of completed passes for the quarterback of a football team is tracked and tabulated as shown below. How many passes did the quarterback complete on average?

10

During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the range number of medals won during these Olympic Games.

219

Phyllis knows she scored in the 90th percentile on her psychology test. The professor gives the students the following list of grades (without names): 51, 37, 87, 95, 99, 78, 63, 96, 68, 84, 92 Assuming that there are 11 students in the class, what was Phyllis's test score?

96

All of the students in Jasmine's class have had their height measured. Jasmine is the 12th tallest person out of 560 students. What percentile is Jasmine's height in?

98th

Which of the following is the correct formula for the IF function in Excel?

=IF (logical_test, value_if_true, value_if_false)

Select the word or phrase that best fills in the blank: If the index is not a _____, round the number up, then count the values in the data set from least to greatest until you reach the index.

Whole Number

During the first four Summer Olympic games attended by the United States, these medal counts were awarded. If there is an outlier, identify it from the number of medals won during these Olympic Games.

239

From the following data, what is the mode, mean and median? 1, 3, 5, 5, 6, 6, 7, 9, 10, 10, 10

10, 6.5, 6

What is the geometric mean of 2 and 4?

2.828

Find the interquartile range for the following data set: 7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

6.5

Jonathan knows he scored in the 25th percentile on his psychology test. The professor gives the students the following list of grades (without names): 51, 37, 87, 95, 99, 78, 63, 96, 68, 84, 92 Assuming that there are 11 students in the class, what was Jonathan's test score?

63

During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the mean number of medals won during these Olympic Games. (Round it to the nearest whole number.)

88

The class scores on an exam are 97, 85, 92, 78 and 90. What is the average score?

88.4

A decile can be defined as _____.

A quantile that groups the data into 10 equal frequencies

What is central tendency?

A way of summarizing some data with a single number.

A decile can be calculated using what types of input data?

Both raw data values and data represented by a frequency distribution

Which of the following is the number that appears most often?

Mode

What is a measure that indicates what percent of the given population scored at or below the measure?

Percentile

What is a group of values and/or means that divide a data set into quarters, or groups of four?

Quartile

What is this IF function telling you? =IF (C8=100, ''A+'','' '')

If cell C8 is 100 then enter A+; otherwise, enter nothing.

What does a quantile represent?

The grouping of data into equal frequencies

If the cell B2 is 68, what will this IF function give you as a result? =IF (B2>60, ''pass'', ''fail'')

pass

What do you need to include when you are entering text into your formula?

quotes

Given a decile cut point value of 10.4, where the tenth sequential value is 32 and the eleventh value is 42, what is the actual decile value?

36.0

Find the geometric mean. 4, 4, 4

4

The mean of three numbers X, Y and Z equals 11.5. If X equals 12.5 and Z equals 10, what is the value of Y?

12

Over the past week, the price of a commodity had the following end of day prices according to the table given below. What was the mean commodity price over this period?

$35.83

Find the geometric mean.

4.697

During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the median number of medals won during these Olympic Games.

47

During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the mode number of medals won during these Olympic Games.

47

Find the first quartile for the following data set: 7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

5

Find the second quartile, or the median, for the following data set: 7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

9

Which of these IF functions tells you whether an item is over $100 or not?

=IF (E2>100, ''yes'', ''no'')

What is the difference between the upper quartile value and the lower quartile value?

Interquartile range

Which of the following is the number that you get when you add all the data up and divide by how many numbers there are?

Mean

The geometric mean gives you the average rate of growth for growth that is what?

Multiplied

Which of the following is the number that appears in the middle of the data?

Median