2115 Univariate Data - Stem & Leaf Plots
Stem & Leaf, Split Stem & Leaf Plots and Back-to-Back Stem & Leaf plots
- 1.
![The image above is : - ProProfs]( "The image above is :")
The image above is :- A.
A stem & leaf plot
- B.
A split stem & leaf plot
- C.
A back-to-back stem & leaf plot
- D.
A back-to-back split stem & leaf plot
- E.
I don't know
- 2.Back-to-back stem & leaf plots allow you to :
- A.
Map your data on the left, and sort it on the right
- B.
See how skewed your data set is
- C.
Compare the distribution of two data sets
- D.
Split your data set into two similar sizes
- E.
Compare the upper values with the lower values
- F.
I don't know
- 3.Back-to-back stem & leaf plots have :
- A.
Larger values
- B.
A common stem
- C.
Smaller values
- D.
A normal distribution
- E.
A neutral distribution
- F.
I don't know
- 4.
![The image above is : - ProProfs]( "The image above is :")
The image above is :- A.
A stem & leaf plot
- B.
A split stem & leaf plot
- C.
A back-to-back stem & leaf plot
- D.
A back-to-back split stem & leaf plot
- E.
I don't know
- 5.
![The image above is : - ProProfs]( "The image above is :")
The image above is :- A.
A stem & leaf plot
- B.
A split stem & leaf plot
- C.
A back-to-back stem & leaf plot
- D.
A back-to-back split stem & leaf plot
- E.
I don't know
- 6.
![The image above is : - ProProfs]( "The image above is :")
The image above is :- A.
A stem & leaf plot
- B.
A split stem & leaf plot
- C.
A back-to-back stem & leaf plot
- D.
A back-to-back split stem & leaf plot
- E.
I don't know
- 7.
![The image above is : - ProProfs]( "The image above is :")
The image above is :- A.
A stem & leaf plot
- B.
A split stem & leaf plot
- C.
A back-to-back stem & leaf plot
- D.
A back-to-back split stem & leaf plot
- E.
I don't know
- 8.
![The image above is : - ProProfs]( "The image above is :")
The image above is :- A.
A stem & leaf plot
- B.
A split stem & leaf plot
- C.
A back-to-back stem & leaf plot
- D.
A back-to-back split stem & leaf plot
- E.
I don't know
- 9.
![The image above is : - ProProfs]( "The image above is :")
The image above is :- A.
A stem & leaf plot
- B.
A split stem & leaf plot
- C.
A back-to-back stem & leaf plot
- D.
A back-to-back split stem & leaf plot
- E.
I don't know
- 10.
![The image above is stem and leaf plot. How many 'splits' does it have? - ProProfs]( "The image above is stem and leaf plot. How many 'splits' does it have?")
The image above is stem and leaf plot. How many 'splits' does it have?- A.
None, its just an ordinary stem and leaf plot
- B.
Two splits
- C.
Three splits
- D.
Five splits
- E.
I don't know
- 11.When do we split a stem & leaf plot?
- A.
When there are too many leaves to see a shape
- B.
When the shape is negatively skewed
- C.
When we suspect there are outliers
- D.
When the shape is positively skewed
- E.
When here are too few numbers on a branch
- F.
I don't know
- 12.How many values do you need in a data set for a stem and leaf plot to be useful?
- A.
Less than 12
- B.
More than 80
- C.
More than 200
- D.
Between 10 & 15
- E.
More than 5 but less than 50
- F.
I don't know
- 13.Back-to-back stem & leaf plots allow you to :
- A.
Map your data on the left, and sort it on the right
- B.
See how skewed your data set is
- C.
Compare two data sets
- D.
Split your data set into two similar sizes
- E.
Compare the upper values with the lower values
- F.
I don't know
- 14.Using a split stem & leaf plot can help :
- A.
Compress the data
- B.
Simplify the data
- C.
Reveal features that were not easily detected
- D.
Hide features that are easily detected
- E.
Reduce the number of errors
- F.
I don't know
- 15.In a stem & leaf plot, outliers can be hidden if :
- A.
There are too many intervals in a stem
- B.
We multiply the interquartile range by 1.5
- C.
They are left out of the range
- D.
There are too few intervals on the stem
- E.
The interquartile range is large
- F.
I don't know
- 16.In a stem & leaf plot, we can detect the general shape of the distribution by :
- A.
Counting the total number of leaves and dividing by the stem
- B.
Counting the number of stems and dividing the leaves
- C.
Turning the stem counter-clockwise so it is horizontal
- D.
Mirroring the stem in a clockwise direction
- E.
Finding the range and the IQR
- 17.I collect data for 40 adults relating to the number of hours they watch television per week. I create a stem & leaf plot and the data which ends up with three intervals on the stem.What should I do?
- A.
Create a histogram instead
- B.
Use a dot plot instead
- C.
Split the stem into intervals of two
- D.
Split the stem into intervals of 10
- E.
Create a back-to-back stem & leaf plot
- F.
Three intervals is enough for 40 pieces of data, leave it how it is.
- 18.A stem & leaf plot is ideal for :
- A.
Ordering data
- B.
Finding the median
- C.
Finding the modal class
- D.
Finding the max & min
- E.
Finding the mean
- F.
Finding the standard deviation
- G.
Counting z-scores
- 19.A stem & leaf plot is ideal for :
- A.
Ordering data
- B.
Separating categorical data
- C.
Finding the mean
- D.
Finding the standard deviation
- E.
Counting z-scores
- 20.
![I have collected the scores for the latest Geography test, and created the stem & leaf plot above.If the value '0' is an outlier, and I'm not saying if it is or it isn't, what is my range? - ProProfs]( "I have collected the scores for the latest Geography test, and created the stem & leaf plot above.If the value '0' is an outlier, and I'm not saying if it is or it isn't, what is my range?")
I have collected the scores for the latest Geography test, and created the stem & leaf plot above.If the value '0' is an outlier, and I'm not saying if it is or it isn't, what is my range? - 21.
![I collected the results for the latest Geography test and sorted them into the stem & leaf plot above.Is the minimum value an outlier? - ProProfs]( "I collected the results for the latest Geography test and sorted them into the stem & leaf plot above.Is the minimum value an outlier?")
I collected the results for the latest Geography test and sorted them into the stem & leaf plot above.Is the minimum value an outlier?- A.
Zero is never considered an outlier
- B.
No, there must be two gaps to make it an outlier.
- C.
Probably, but I'd need to check
- D.
Yes, because zero is always considered to be an outlier
- E.
No because outliers are always on a positive skew
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