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WorksheetsCausation vs. Correlation
Total questions: 50
Worksheet time: 2hrs 50mins
The scatterplot would show (a) correlation because as the number of minutes reading increases, the number of minutes watching television (b) .
The table shows the number of pairs of sandals and snow boots sold at a certain store during various months of the year. The scatterplot shows (a) correlation because as the number of sandals sold increases, the number of boots sold (b) .
Determine whether the situation illustrates a correlation or causation.
The larger a person's shoe size, the higher a person's reading level.
The situation illustrates a (a) because having a larger shoe size (b) someone to have a higher reading level.
Determine whether the situation illustrates a correlation or causation.
Hailey notices that the lower the daily temperature is, the less time she spends outside.
The situation illustrates a (a) because lower temperatures (b) Hailey to stay indoors.
Sam notices that as the number of words in a book increases, the number of pages the book increases. The situation illustrates a (a) . More words require more pages to be printed, so having more words in a book (b) it to also have (c) pages.
What is meant by this statement: Correlation does not imply causation?
Two elements can have a strong (a) , but it does not mean that one causes the other. There (b) an unknown factor affecting the elements.
Use the table provided and answer the following questions.
What is the correlation coefficient for this set of data?
Answer should be keyed in the form of
r=value . Round correlation coefficient to the hundredths place value when keying in answer without any spaces between the variable r, equal sign, and value.
(a)
Use the table provided and answer the following questions.
Describe the correlation of the data:
(a)
Use the table provided and answer the following questions.
What is the correlation coefficient for this set of data?
Answer should be keyed in the form of
r=value . Round correlation coefficient to the hundredths place value when keying in answer without any spaces between the variable r, equal sign, and value.
(a)
Use the table provided and answer the following questions.
Describe the correlation correlation of the data: (a)
Use the table provided and answer the following questions.
What is the correlation coefficient for this set of data?
Answer should be keyed in the form of
r=value . Round correlation coefficient to the hundredths place value when keying in answer without any spaces between the variable r, equal sign, and value.
(a)
How would r=0.12 be classified?
Low positive correlation
Moderate positive correlation
Strong positive correlation
Perfect positive correlation
How would r=−0.89 be classified?
Low negative correlation
Perfect negative correlation
Moderate negative correlation
Very strong negative correlation
How would r=−0.03 be classified?
Low negative correlation
Perfect negative correlation
Moderate negative correlation
Strong negative correlation
How would r=0.65 be classified?
Low positive correlation
Perfect positive correlation
Moderate positive correlation
Strong positive correlation
How would r=0.98 be classified?
Low positive correlation
Very strong positive correlation
Moderate positive correlation
Strong positive correlation
Which dot plot shows more consistency? a or b?
a
b
How do you find the Interquartile Range?
divide the 3rd quartile by the 1st quartile
subtract the biggest number by the smallest number
divide the biggest number by the smallest number
subtract the 3rd quartile by the 1st quartile
What is the outlier in this data set?
{23, 60, 30, 21, 25, 35, 29}
35
21
30
60
Which club has the smaller spread?
Cruisers
Car Hops
75% of the Cruisers went to more than 13 car shows. True or False?
True
False
In order to find the median, the data must be sorted from least to greatest first.
True
False
A data set can have more than one mode.
True
False
Given the set of data below, what would be the most meaningful measure?
1, 1, 1, 1, 1, 1, 1, 1, 1, 21
mean
mode
range
median
The salary of the employees in the office were $15,000; $18,000; $16,000; $14,000; $90,000; and $17,000. What is the best measure of the central tendency of the salaries?
mean
median
mode
range
What is the advantage of the median compared to mean?
It is easy to calculate
It takes little time to find the answer
It is not affected by extreme scores
It can be used for nominal data
Which interval shows the greatest number of pets?
0-4
5-9
10-14
15-19
Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive?
7:00-7:59 p.m.
8:00-8:59 p.m.
9:00-9:59 p.m.
10:00-10:59 p.m.
What percentage of males drive sports cars?
16.25%
25%
35%
65%
What percentage of SUV's are driven by women?
56.25%
75%
83.25%
86.5%
This table shows the number of female and male students in each science class. How many students are taking Biology?
(a)
Find the mean of the dot plot
3.9
3.8
3.7
3.6
Find the median of the dot plot
3
3.5
4
4.5
Find the mean.
90.7
90.9
97.4
97.1
How does the median number of miles driven for Driver A compare to the median number of miles driven for Driver B?
The median for Driver A is more than the median for Driver B.
The medians are the same
The median for Driver A is less than the median for Driver B.
Which set of data belongs to this stem-and-leaf plot?
8,8,12,17,19,
22,23,31,35,40
8,12,17,18,19,
22,23,31,35,40
8,12,17,18,19,
22,22,23,31,35,40
8,12,17,18,19,
22,31,35,40
Which profession had the greatest range of salaries?
Nuclear engineer
Police officer
Musician
Impossible to tell
Calculate Q1 & Q3 for the data set
Q1 = 31 Q3 = 42.5
Q1 = 32 Q3 = 42
Q1 = 30.5 Q3 = 42.5
Q1 = 31 Q3 = 42
Q1 = 30 Q3 = 43
The 5 # summary suggests that about 75% of the data is less than what number?
5
6
8
22
25
