Question 1

Are techniques that divide a set of data into equal groups

Accepted Answer

Measures of Position

Answer

Percentiles

Answer

Quartiles

Answer

Deciles

Question 2

Are the score points which divide a distribution into ten equal parts

Accepted Answer

Deciles

Answer

Measures of Position

Answer

Quartiles

Answer

Percentiles

Question 3

Are the score points which divide a distribution into one-hundred equal parts

Accepted Answer

Percentiles

Answer

Quartiles

Answer

Deciles

Answer

Measures of Position

Question 4

The median is equivalent to...

Accepted Answer

all of these

Answer

the middle quartile (Q₂)

Answer

the fifth decile (D₅)

Answer

the 50th percentile (P₅₀)

Question 5

Match the following value that corresponds to each decile.

Question 6

Match the following value that corresponds to each Decile.

Question 7

Arrange in order the ungrouped data distribution in which they are divided into. (from least to greatest)

Question 8

Ninth decile is

Accepted Answer

also called the upper decile.

Answer

the sum of the numbers in a set of data divided by the number of pieces of data.

Answer

also called the lower decile.

Answer

a measure used to describe the distribution of data.

Question 9

First decile is

Accepted Answer

also called the lower decile.

Answer

a value that is much higher or much lower than the other values in a set of data.

Answer

the value appearing at the center of a set of data that has been sorted in numerical order.

Answer

also called the upper decile.

Question 10

The formula in finding the nth decile of grouped data is $D_k=LB\ +\left(\ \frac{\frac{kN}{10}-CF_b}{F_{dk}}\right)i$

Accepted Answer

Cumulative frequency

Answer

Commulative frequency

Answer

Class interval

Answer

Class frequency

Question 11

Q1 is always equal to P3

Accepted Answer

false

Answer

true

Question 12

Second quartile, fifth decile and fiftieth percentile have the same value

Accepted Answer

true

Answer

false

Question 13

A company manufactures computer terminals. The following data give the number of computer terminals produced at the company for a sample of 5 days. What is the third decile? 23 24 27 32 33

Accepted Answer

24

Answer

27

Answer

23

Answer

32

Question 14

A company manufactures computer terminals. The following data give the number of computer terminals produced at the company for a sample of 5 days. What is the eighth decile? 23 24 27 32 33

Accepted Answer

32

Answer

24

Answer

27

Answer

23

Question 15

A company manufactures computer terminals. The following data give the number of computer terminals produced at the company for a sample of 5 days. What is the twenty-fifth percentile? 23 24 27 32 33

Accepted Answer

24

Answer

23

Answer

32

Answer

27

Question 16

Jenny scored at the 99th percentile on a test. How should we interpret this information?

Accepted Answer

Jenny scored better than 99% of people who took this test

Answer

Jenny scored worse than 99% of people who took this test

Answer

Jenny got 99% of the questions on the test right

Answer

Jenny got 99% of questions on the test wrong

Question 17

What is the formula for finding the kth value of Percentile in grouped data?

Accepted Answer

$P_k=LB_P+\left\{\frac{\frac{k}{100}N-$

Answer

$P_k=LB_P+\left\{\frac{\frac{k}{100}N-$

Answer

$P_k=LB_P+\left\{\frac{\frac{k}{100}N-$

Question 18

What is the 3rd decile of the given test scores of ten students : 10, 20, 30, 40, 50, 60, 70, 80, and 90?

Accepted Answer

30

Answer

50

Answer

20

Answer

40

Question 19

Refer to the table as shown, If you are going to solve for the 3rd quartile of the grouped data, what lower boundary are you going to use?

Accepted Answer

109.5

Answer

104.5

Answer

97.5

Answer

115.5

Question 20

Solve for P₆₉

Accepted Answer

30.54

Answer

30.52

Answer

30.53

Answer

30.51

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