10 Questions
What is the range of the study hours spent by the twenty students?
43
How many classes were determined for constructing the frequency distribution of study hours?
5
What is the class width used for constructing the frequency distribution of study hours?
8
If the students' study hours are grouped into classes, what would the midpoint of the class containing 36 hours be?
35
What percentage of students studied less than or equal to 42 hours?
$40%$
What is the formula to calculate the class width (L) in a frequency distribution?
Range / Number of classes
In a frequency distribution, what does the Lower than cumulative frequency (LCF) indicate?
Accumulated frequency less than the upper limit value in the class
What does the Greater than cumulative frequency (GCF) represent in a frequency distribution?
Frequency greater than the lower limit value in the class
What is the formula to calculate the class midpoint in a frequency distribution?
(Class highest limit + Class lowest limit) / 2
In a statistics class survey, if 10 students were asked about their number of siblings, which data parameter would represent 'total number of observations'?
Sample size (n)
Learn about various formulas used in organizing and analyzing data, including calculations for sample size, range, number of classes, class width, class midpoint, frequency, relative frequency, and cumulative frequency. Explore how to apply these formulas in data analysis processes.
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