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
Mathematics, 21.06.2019 12:40
Convert the cartesian equation (x 2 + y 2)2 = 4(x 2 - y 2) to a polar equation. choices: r4 = -4r2 r2 = 4cos2θ r2 = 4sin2θ
Answers: 1
Mathematics, 21.06.2019 16:10
The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82
Answers: 2
Mathematics, 21.06.2019 17:20
Match the equivalent expressions. x - 3y + 12 12 - 3y - 2x + x + 2x 3x + 2y - 2x + y + 12 3y + 12 3x + y - 12 4y + 3y + 3x - 6y - 10 - 2 x + 3y + 2x - 3x + 7 + 5 x + 3y + 12 5 + 2y + 7x - 4x + 3y - 17
Answers: 1
Explain what is meant by the categories and frequencies. Choose the correct answer below.
A.
A.
Mathematics, 15.04.2021 20:20
Mathematics, 15.04.2021 20:20
Mathematics, 15.04.2021 20:20
Biology, 15.04.2021 20:20
Mathematics, 15.04.2021 20:20
English, 15.04.2021 20:20
Mathematics, 15.04.2021 20:20
Mathematics, 15.04.2021 20:20
Mathematics, 15.04.2021 20:20