Psychological Statistics Lesson 2

Juts(1pts)

1

used to represent interval or ratio data.

frequency polygon

2

This type of frequency distribution is used when the number of observations is below 30.

Ungrouped frequency distribution

3

what is the frequency of the score 8 in the data

8 9 8 7 10 9 6 4 9 8 9

7 8 10 9 8 6 9 7 8 8 9

7

4

What is the scale of measurement of 3:30 pm?

ratio

5

What is the percentage if the data is:

f=67

N=200-25

38.285

Sakto lang(2pts)

1

This graph is also called a circle chart and always adds up to 100%.

Pie chart

2

A scale that is anchored by a zero point that is not arbitrary

Ratio

3

This graph is used for interval or ratio data and has bars that touch each other.

Histogram

4

What is the mean of the data

8,9,7,3,6,10,12,69,1,8,2,18,100,67,19

22.6

5

What is the class size of the given data

31-40

41-50

51-60

10

Daks(3pts)

1

This refers to the number of times a value appears in a data set.

Frequency

2

This graph uses rectangles of equal width to represent nominal or ordinal data.

Bar Graph

3

This is obtained by multiplying the relative frequency by 100.

Percentage (p)

4

Organize and summarize data

Statistics

5

What are the measures of central tendency

Mean,Median,mode