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Copy of Chapter 1 Retake (9/5/2024)

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Last updated over 1 year ago
31 questions
Answer all the questions you are able to. Do the questions you know how to do first and then go back to the ones that were difficult. Each question is worth a different value.
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1
1
1
Required
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3
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4
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0.8
Question 1
1.

The scatter plot and trend line shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict the number of pages for a book with 12 chapters.

Question 2
2.



Select all that apply to describe the association of this scatterplot. Choose two options

Question 3
3.

Drag each item to the correct description of the relationship.


  • Positive
  • Negative
  • None
Question 4
4.

Move the graphs to their appropriate description.



  • Item 1


  • Too High
  • Too Low
  • Just Right
Question 5
5.

A scatter plot was constructed on the graph below and a line of best fit was drawn. What is the equation of this line of best fit? Use the points (1,30) and (2, 35)


Question 6
6.

Determine if the following are essential or discretionary expenses

  • buying clothes because yours are too old and have holes in them
  • Newest nike shoes
  • Electricity Bill
  • Medicine for diabetes
  • Shelter bill (for house, apartment, etc)
  • Kanye West Tickets
  • going to sea world
  • car to travel for vacation
  • Essential Expenses
  • Discretionary Expenses
Question 7
7.

Use the frequency table below.



How many people were in this survey?

Question 8
8.

Use the frequency table below.



Which score had the highest frequency?

Below are the prices of shoes Vanessa's mom found online. Determine the table value, the range, variance and standard deviation.

,
1
Question 9
9.

Determine the mean of the prices of shoes.

1
Question 10
10.

Determine the range of the prices.

1
Question 11
11.

Determine the variance.

1
0.2
Question 13
13.

Find the frequency of a person who turned in 9 homeworks.

0.2
0.2
0.2
0.2
0.2
0.8
Question 20
20.

Select the correlation values that show a weak condition:
Hint: There are 3

Question 21
21.

Select the correlation values that show a strong condition:
Hint: there are 3

Question 22
22.

The correlation coefficient, r, is given for several different linear models for a data set. Sort the r values from best fit (top) to worst fit (bottom).

  1. 0.97
  2. -0.81
  3. 0.57
  4. -0.08
Question 23
23.

Determine if the situation is causation or correlation.

  • The more it rains the faster you run.
  • the amount one lifts increases and their muscles increase
  • The amount of ice cream sales increase and the amount of hot chocolate decrease
  • Positive correlation
  • Negative correlations
The tables below shows how many times 1 or more items were purchased.
1
Question 24
24.

What percentage of people purchased 2 and 3 items?

1
Question 25
25.

How many people chose 3, 4, or 5 items?

Question 26
26.

Given that the variance of $5,690, what is the standard deviation?

Domestic travel during summer vacation can get
pricey. The average cost per person for food, lodging, and airfare is $485 per person, with a standard deviation of $300.
0.5
Question 27
27.

Determine the z score value of someone who spent $525 per person for their vacation—round two decimal places.

0.8
Question 28
28.

What percentage is represented by the family who spent $480 per person? Round one decimal place. Don't forget percentage sign.

Janey would like to find the mean, median, and mode of different suitcase sets. The following are the prices she found.

$221, $185, $199, $230, $221, $221, $199

Mean: _________

Median: _________

Mode: ___________
1
Question 29
29.

Determine the mean of the tool sets Jack found.

1
Question 30
30.

Determine the median of the tool sets Jack found.

1
Question 31
31.

Determine the mode of the tool sets Jack found.

Question 12
12.

Determine the standard deviation.

Question 14
14.

Find the frequency of a person who turned in 10 homeworks.

Question 15
15.

Find the frequency of a person who turned in 15 homeworks.

Question 16
16.

Find the frequency of a person who turned in 22 homeworks.

Question 17
17.

Find the frequency of a person who turned in 23 homeworks.

Question 18
18.

Find the frequency of a person who turned in 24 homeworks.

Question 19
19.

Find the percentile rank 10 homeworks that were turned in. Round to the nearest tenth.