Worksheets2.1 Frequency Distribution Review
Total questions: 25
Worksheet time: 2hrs 8mins
Rhaul measured the heights of the apple trees in an orchard. What percent of the trees are 5-9 feet tall?
19%
31%
22%
10%
The histograms show the scores for the first and second block classes. Assuming 69 and above is passing, which of the following is true?
The number of students that passed the test is the same in both classes.
More students passed in first block than second block.
More students passed in the second block than first block.
Cannot be determined based on the graphs given.
This is an ogive.
true
false
Which of these data displays has one anchor to the x-axis?
Frequency Polygon
Histogram
Ogive
Time Series Graph
Which of the following is a true statement about Frequency Polygons?
They have two anchors to the horizontal axis
They have one anchor to the horizontal axis
The vertical axis is cumulative frequency
The horizontal axis is class endpoints
Which of the following is the correct formula to find class width?
(max-min)/(# of classes), round up to the next integer
(max-min)/2, round up to the next integer
(max-min)/(# of classes), round normally
(max+min)/2, round normally
(max-min)/(number of data), round up to the next integer
This frequency table is set up correctly.
True
False
What would be the cumulative frequency for the third class?
5
12
17
18
What would be the class BOUNDRIES for the second class?
40 - 79
39.5 - 79.5
40.5 - 79.5
5 - 12
