A.
Mathematics, 05.05.2020 20:14 WallaceHarrison123
Explain what is meant by the categories and frequencies. Choose the correct answer below.
A.
Categories are descriptions of data, such as ages of people living in a city or the annual salaries of professional athletes. They always represent counts or measurements. The frequency of a category is the number of data values in the category.
B.
Frequencies are descriptions of data, such as which grades students received on a test or the heights of trees in a forest. They can describe qualities or represent counts or measurements. The category of a frequency is the number of data values in the frequency.
C.
Categories are descriptions of data, such as which brand names of shoes sold in a store or audience ratings of films. They always describe qualities. The frequency of a category is the number of data values in the category.
D.
Categories are descriptions of data, such as which grades students received on a test or the heights of trees in a forest. They can describe qualities or represent counts or measurements. The frequency of a category is the number of data values in the category.
What is meant by relative frequency?
A.
The relative frequency of a category is the number of data values in that category and all preceding categories.
B.
The relative frequency of a category is the number of data values in that category.
C.
The relative frequency of a category is the fraction (or percentage) of the data values that fall in that category.
D.
Relative frequencies are groups of data that cover a range of possible values.
What is meant by cumulative frequency?
A.
The cumulative frequency of a category is the number of data values in that category and all later categories.
B.
The cumulative frequency of a category is the number of data values in that category and all preceding categories.
C.
The cumulative frequency of a category is the number of data values in that category.
D.
Cumulative frequencies are groups of data that cover a range of possible values.
Answers: 1
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Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.
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Explain what is meant by the categories and frequencies. Choose the correct answer below.
A.
A.
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