🏷️ LIMITED TIME OFFER: GET 20% OFF GRADE+ YEARLY SUBSCRIPTION →
Log in
Statistics
3
answers
0
watching
83
views

1. 

What type of information does a histogram show?

A. Frequency

B. Categorical

C. Data jumps

D. Specific data points

E. Random

 

2. If a student got a 75, which bar should increase?

A. 0 -60

B. 61-70

C. 71 - 80

D. 81 - 90

E. 91 - 100

 

3. The histogram shows test scores. Based on the information, how many students got a score 91 per cent or better?

A. 1

B. 0

C. 2

D. 6

E. 5

 

 

Watch
3
answers
0
watching
83
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share
Already have an account? Log in
Share
Poks
PoksLv6
21 Mar 2021
Already have an account? Log in
Share

Related textbook solutions

Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

Related questions

The following frequency histogram represents the IQ scores of a random sample of seventh-grade students. IQs are measured to the nearest whole number. The frequency of earch class is labeled above each rectangle. Use the histogram to answers parts (a) through (g).

(a) How may students were smapled?

...........students

(b) Determine the class width

The class width is ........

(c) Identify the classes and their frequencies choose the correct answer below.

(a) 60-70,2; 70-80, 2; 80-90, 14:90-100,   43:100-110, 56: 110-120, 40; 120-130,  30:130-140, 9:140-150, 3:150-160, 1.

(b) 65,2; 75, 2,85, 14, 95, 43; 105,56; 115, 40; 125, 30; 135, 9; 145, 3;155, 1

(c) 60-69; 2; 70-79, 2; 80-89, 14; 90-99, 43. 100-109, 56; 110-119, 40; 120-129, 30; 130-139, 9: 140-149, 3; 150-159, 1.

(d) Wich class has the hgihest frequency?

A reading comprehension test out of 90 points is given to a Grade 5 class of 30 students. Their scores are randomly listed below. 77 43 60 28 59 60 63 59 45 79 38 51 79 54 62 71 51 43 63 59 54 54 60 56 51 71 34 62 28 62 Part 1. (21 points) a. Prepare a frequency distribution table of the raw scores* grouped according to frequency (f). Also show the cf and the c% columns. For c% report up to 2 decimal places. Don’t round up. (*Hint: show only the scores in the data set.) (10 pts) b. Draw a bar graph of this f-distribution table. Be sure to label the axes. (4 pts) c. Make a stem and leaf display of the scores. Be sure to label the two columns of the display and arrange the leaves in ascending order. (4 pts) d. Find the percentile rank of X = 50. Use the f-distribution table with scores grouped according to class intervals, i = 5, in Part 2a below. (Hint: use the formula in the course Study Guide.) (3 pts) Part 2. (21 points) a. Prepare a f-distribution table with the scores grouped according to class intervals, i = 5. Show the f, cf, and c% columns. For c% report up to 2 decimal places. Don’t round up. (10 pts) b. Draw a histogram of this f-distribution table. (4 pts) c. Draw a polygon of this f-distribution table. (4 pts) d. Find the 20th percentile in this f-distribution table. (Hint: use the formula in the Course Study Guide.) (3 pts)

A reading comprehension test out of 90 points is given to a Grade 5 class of 30 students. Their scores are randomly listed below. 77 43 60 28 59 60 63 59 45 79 38 51 79 54 62 71 51 43 63 59 54 54 60 56 51 71 34 62 28 62 Part 1. (21 points) a. Prepare a frequency distribution table of the raw scores* grouped according to frequency (f). Also show the cf and the c% columns. For c% report up to 2 decimal places. Don’t round up. (*Hint: show only the scores in the data set.) (10 pts) b. Draw a bar graph of this f-distribution table. Be sure to label the axes. (4 pts) c. Make a stem and leaf display of the scores. Be sure to label the two columns of the display and arrange the leaves in ascending order. (4 pts) d. Find the percentile rank of X = 50. Use the f-distribution table with scores grouped according to class intervals, i = 5, in Part 2a below. (Hint: use the formula in the course Study Guide.) (3 pts) Part 2. (21 points) a. Prepare a f-distribution table with the scores grouped according to class intervals, i = 5. Show the f, cf, and c% columns. For c% report up to 2 decimal places. Don’t round up. (10 pts) b. Draw a histogram of this f-distribution table. (4 pts) c. Draw a polygon of this f-distribution table. (4 pts) d. Find the 20th percentile in this f-distribution table. (Hint: use the formula in the Course Study Guide.) (3 pts)

Weekly leaderboard

Home
Homework Help 3,900,000
Statistics 10,000
Start filling in the gaps now
Log in