WGU C784-Statistics Mod 4 questions with verified
answers
___________________ - best when we want to display different parts of a whole
Ans✓✓✓ Pie Charts.
_______________________ - best to display counts or frequencies for the
categories Ans✓✓✓ Bar Charts.
5 number summary of a boxplot Ans✓✓✓ The minimum, first quartile, median,
third quartile, and maximum. A box plot represents the five numbers in a five-
number summary.
A box plot is a graphical display of a _________ number summary Ans✓✓✓
Answer: 5
The end of the left whisker is the min number in a data set and the right whisker
is the max number in a data set
A Histogram Ans✓✓✓ 1. A graph of vertical bars representing the frequency
distribution of a set of data.
2. the counts or numbers in each range over a period of time
A stem plot is constructed by separating each data value into a stem and a leaf.
The leaf is the __________ most digit, and the stem consists of all of the digits to
the __________ of the leaf. Ans✓✓✓ A stem plot is constructed by separating
, each data value into a stem and a leaf. The leaf is the right most digit, and the
stem consists of all of the digits to the left of the leaf.
Note: Represent each number that is in the ones place from the list of numbers.
By doing this the stems will consist of ones, twos, threes, and fours. Next list the
leafs by taking the digit to the right and writing it within the coloumn/stem that
matches the ones place holder of the number. Example 31 the ones place/ stem is
"3" the Leaf which is to the right of the number is "1".
After listing all stems and leafs. Re-arrange them in increasing order.
If the list of numbers is long or big you can split the stem and leaf into two sets.
Ex. the first stem set of 1 will list any leafs 1-5 while the second stem leaf set can
list any leafs 6-9. See thirs graph for illustration
Are they're any Outliers in this data set
41,57,61,65,65,67,70,70,74,82,82,82,90,95,112 Ans✓✓✓ See illustration
bar chart Ans✓✓✓ A graph that displays data that is distributed over groups or
categories
Categorical variable Ans✓✓✓ Categorical variable - a variable that is not
measured; it is a "category" or a label; it places the individual in a certain group.
Examples: gender, months of the year, zip codes
Define Mode Ans✓✓✓ The value that occurs most often in a data set
Define the Range Ans✓✓✓
answers
___________________ - best when we want to display different parts of a whole
Ans✓✓✓ Pie Charts.
_______________________ - best to display counts or frequencies for the
categories Ans✓✓✓ Bar Charts.
5 number summary of a boxplot Ans✓✓✓ The minimum, first quartile, median,
third quartile, and maximum. A box plot represents the five numbers in a five-
number summary.
A box plot is a graphical display of a _________ number summary Ans✓✓✓
Answer: 5
The end of the left whisker is the min number in a data set and the right whisker
is the max number in a data set
A Histogram Ans✓✓✓ 1. A graph of vertical bars representing the frequency
distribution of a set of data.
2. the counts or numbers in each range over a period of time
A stem plot is constructed by separating each data value into a stem and a leaf.
The leaf is the __________ most digit, and the stem consists of all of the digits to
the __________ of the leaf. Ans✓✓✓ A stem plot is constructed by separating
, each data value into a stem and a leaf. The leaf is the right most digit, and the
stem consists of all of the digits to the left of the leaf.
Note: Represent each number that is in the ones place from the list of numbers.
By doing this the stems will consist of ones, twos, threes, and fours. Next list the
leafs by taking the digit to the right and writing it within the coloumn/stem that
matches the ones place holder of the number. Example 31 the ones place/ stem is
"3" the Leaf which is to the right of the number is "1".
After listing all stems and leafs. Re-arrange them in increasing order.
If the list of numbers is long or big you can split the stem and leaf into two sets.
Ex. the first stem set of 1 will list any leafs 1-5 while the second stem leaf set can
list any leafs 6-9. See thirs graph for illustration
Are they're any Outliers in this data set
41,57,61,65,65,67,70,70,74,82,82,82,90,95,112 Ans✓✓✓ See illustration
bar chart Ans✓✓✓ A graph that displays data that is distributed over groups or
categories
Categorical variable Ans✓✓✓ Categorical variable - a variable that is not
measured; it is a "category" or a label; it places the individual in a certain group.
Examples: gender, months of the year, zip codes
Define Mode Ans✓✓✓ The value that occurs most often in a data set
Define the Range Ans✓✓✓
