In a frequency polygon the points are plotted over

Question # 00713163 Posted By: dr.tony Updated on: 12/19/2018 09:15 AM Due on: 12/19/2018
Subject General Questions Topic General General Questions Tutorials:
Question
Dot Image

Question 1

5 out of 5 points

In a frequency polygon the points are plotted over _______ at a height corresponding to the frequency of the interval.

Question 2

0 out of 5 points

Given the distribution of grouped scores shown in the following table. How many occurrences fall below the upper real limit of the interval 70-79?

 

Question 3

0 out of 5 points

A researcher has collected some data on the amount of time in seconds (to the nearest 0.1 second) that it took trained rats to run through a maze. The data is shown below arranged in a frequency distribution of grouped scores.

The 75th percentile point is _________.

Question 4

5 out of 5 points

The true limits of 7.0 are _________.

Question 5

0 out of 5 points

If a large psychology class took a test on theoretical biophysics, the distribution of scores would probably be _________.

Question 6

0 out of 5 points

Given the distribution of grouped scores shown in the following table. The cumulative frequency of 115 indicates that 115 scores fall below _______.

Question 7

5 out of 5 points

Consider the following stem-and-leaf diagram.

1

2

2

1 3

3

2 4 6 7

4

2 3 5 6 8

5

1 3 4 4 5 6 8

6

3 3 3 5 6 7 8 8 9 9 9

7

2 2 2 3 3 4 5 5 5 6 6 7 7 7

8

1 1 1 2 3 3 4 4 5 5 5 6 6 6 6

9

2 2 2 3 3 4 4 5 5 5 6 6 7

If the numbers in the left column are deciles, the median of the distribution falls in the range of _______.

Question 8

5 out of 5 points

A psychologist is interested in the social interactions of preschool children. She measures the number of verbal interactions that each child at a preschool engages in during a day. Here is the frequency distribution of the data.

The cumulative frequency for the interval 46-55 is _________.

 

Question 9

5 out of 5 points

The distribution of scores of high school seniors on a sixth grade math test would probably be _________.

Question 10

0 out of 5 points

A distribution which has a predominance of scores at the lower values of the distribution and which tails off at the higher end is _______.

Question 11

0 out of 5 points

Assume your task is to group the raw scores given below into a frequency distribution of approximately 12 intervals of equal width.

The lowest class interval is _________.

Question 12

5 out of 5 points

A researcher has collected some data on the amount of time in seconds (to the nearest 0.1 second) that it took trained rats to run through a maze. The data is shown below arranged in a frequency distribution of grouped scores.

The real limits of the interval 6.4-6.7 are _________.

Question 13

0 out of 5 points

In graphing frequency distributions, _________ is usually plotted on the abscissa.

Question 14

5 out of 5 points

Given the distribution of grouped scores shown in the following table.

How many occurrences are there for the interval 60-69?

Question 15

5 out of 5 points

If a curve is symmetrical, _________.

Question 16

0 out of 5 points

A psychologist is interested in the social interactions of preschool children. She measures the number of verbal interactions that each child at a preschool engages in during a day. Here is the frequency distribution of the data.

The cumulative % for the interval 46-55 is _________.

Question 17

0 out of 5 points

A psychologist is interested in the social interactions of preschool children. She measures the number of verbal interactions that each child at a preschool engages in during a day. The resulting data are shown in the following frequency distribution.

The relative frequency for the interval 76-85 is _________.

Question 18

5 out of 5 points

A researcher has collected some data on the amount of time in seconds (to the nearest 0.1 second) that it took trained rats to run through a maze. The data is shown below arranged in a frequency distribution of grouped scores.

The cumulative percentage for the interval 5.2-5.5 is _________.

Question 19

0 out of 5 points

Your new Mercedes weighs 1850 kilograms when measured to the nearest kilogram. The real limits of its weight are _________.

Question 20

5 out of 5 points

Given the distribution of grouped scores shown in the following table. What percentage of cases fall within the class interval containing the most cases?

Dot Image
Tutorials for this Question
  1. Tutorial # 00713534 Posted By: dr.tony Posted on: 12/19/2018 09:17 AM
    Puchased By: 2
    Tutorial Preview
    The solution of In a frequency polygon the points are plotted over...
    Attachments
    In_a_frequency_polygon_the_points_are.docx (14.57 KB)

Great! We have found the solution of this question!

Whatsapp Lisa