LET'S REVIEW! RESEARCH TIME

A

1

FOR 10 POINTS:

It is the measure of the likelihood of an event to happen.

Probability

2

FOR 20 PTS.

What are the two mathematical operations are needed to compute the range of outliers?

Addition and Subtraction

3

FOR 15 POINTS:

It is the expected value of the squared distance of a random variable from its mean.

Variance

4

FOR 30 PTS.

DATA: 5, 8, 7, 9, 6, 8, 9, 4, 7, 2, 9, 1

What is the mode of the data?

9

5

FOR 15 PTS:

It is the range of values that resides in the middle of the scores.

Interquartile Range

B

1

FOR 10 POINTS:

The number of times an event or observation happened in an experiment or study.

Frequency

2

FOR 30 PTS:

DATA: 5, 7, 10, 8, 12, 3, 10, 5, 7, 3 

What is the mean of the data?

7

3

FOR 15 PTS:

It is the difference between the highest and lowest values.

Range

4

FOR 15 POINTS:

It refers to the half of the data points are smaller than the value and half of the data points are larger.

Median

5

FOR 20 PTS.

For computing the standard deviation, the mean and _____ of the data are needed.

Sample size

C

1

FOR 20 PTS.

If the data's mean is 3.25 and the median is 3.0, what kind of skewness is present in the distribution?

Right/Positive

2

FOR 10 POINTS:

It is an arrangement of its members in a sequence or linear order.

TRUE (Valero, et. al, 2024)

3

FOR 15 PTS:

What quartile is considered as the median of the data?

2nd Quartile

4

FOR 30 PTS.

DATA: 9, 4, 5, 12, 7, 10, 8

What is the median of the data?

8

5

FOR 15 PTS:

It is the number of observations for each possible value of a variable.

Frequency Distribution

D

1

FOR 15 POINTS:

A measure of the amount of distance of the values of a variable about its mean.

Standard Deviation

2

FOR 15 PTS.

It refers to the characteristics that are used to define a given population.

Parameter

3

FOR 15 PTS:

It is defined as the total of frequencies, that are distributed over different class intervals.

Cumulative Frequencies

4

FOR 20 PTS.

To compute the standard deviation of grouped data, the data/variable itself, the mean and _______ of the data are needed.

Frequency

5

FOR 15 PTS.

It demonstrates graphically the locality, spread and skewness groups of numerical data through their quartiles.

Box Plots

E

1

FOR 20 PTS.

If 30% of the students are male, and the rest of the students are 70 females, what is the sample size of the data?

100 Students

2

FOR 15 POINTS:

It is described as how often something happens divided by all outcomes.

Relative Frequency

3

FOR 15 PTS.

It is any characteristic, number, or quantity that can be measured or counted.

Variable

4

FOR 15 PTS.

It measures the deviation of the given distribution of a random variable from a symmetric distribution, such as normal distribution.

Skewness

5

FOR 10 POINTS:

It is a selection of all or part of a set of objects, without regard to the order in which objects are selected.

Combination