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Question
Consider this data set:
{49, 50, 45, 23, 35, 66, 34, 74, 54, 50}
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
The mean is Response area
The median is Response area
The mode is Response area
The range is Response area
Suppose the value 60 is added to the data set.
The mean increases by Response area.
The median increases by Response area.
The mode is Response area.
The range is Response area.
the choices are unchanged, 0.50, 48, 49.5, 1.09, 51 and 50
The mean is 47.6
The median is 49.5
The mode is 50
The range is 51
Suppose the value 60 is added to the data set.
The mean increases by 1.09.
The median increases by 0.5.
The mode is still 50.
The range increases by 51.
{20, 30, 40, 50, 60, 70, 80}
The mean is 50.
The median is 50.
There is no mode (no number appears more than once).
The range is 60 (80 - 20).
Which question is a statistical question?
Responses
A How does my brother rate the taste of ice-cream on a scale of 1-10?How does my brother rate the taste of ice-cream on a scale of 1-10?
B How do I rate the taste of ice-cream on a scale of 1-10?How do I rate the taste of ice-cream on a scale of 1-10?
C Which brand of ice cream is preferred by the people shopping at a grocery store?Which brand of ice cream is preferred by the people shopping at a grocery store?
D Does my father or my mother like the ice-cream from the grocery store better?
C Which brand of ice cream is preferred by the people shopping at a grocery store?
Rainfall Data
Month Rainfall (cm)
January 4.3
February 3.9
March 4.0
April 5.0
May 2.9
June 3.2
July 1.9
August 2.0
September 3.7
October 3.8
November 4.2
December 4.9
What is the mode of the data in the rainfall table?
Responses
A 3.73.7
B 5.05.0
C 3.653.65
D 3.13.1
E no mode
E no mode.
What is the formula for the area of a triangle?
Responses
A A=bh
cap A is equal to b h
B A=2bh
cap A is equal to 2 b h
C A=bh2
cap A is equal to b h over 2
D A=b2⋅h2
cap A is equal to b over 2 times h over 2
Question 2
What is the area of a triangle with base 8 cm and height 12 cm?
Responses
A 96 cm2
96 cm2
B 48 cm2
48 cm2
C 32 cm2
32 cm2
D 24 cm2
24 cm2
Question 3
The base and height of 4 triangles is given.
Which triangle does NOT have an area of 72 cm2
?
Responses
A base: 18 cm, height: 8 cmbase: 18 cm, height: 8 cm
B base: 24 cm, height: 6 cmbase: 24 cm, height: 6 cm
C base: 12 cm, height: 12 cmbase: 12 cm, height: 12 cm
D base: 9 cm, height: 8 cmbase: 9 cm, height: 8 cm
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A A=bh
cap A is equal to b h
A = 1/2 x 8 cm x 12 cm = 48 cm^2
C base: 12 cm, height: 12 cm has an area of 72 cm^2. The other triangles have areas of:
A base: 18 cm, height: 8 cm has an area of 72 cm^2.
B base: 24 cm, height: 6 cm has an area of 72 cm^2.
D base: 9 cm, height: 8 cm has an area of 36 cm^2.