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3 years ago

The population of a town is divided into three age categories. A random sample of each category is surveyed about voting

Mathematics

2 answers:

Lady_Fox [76]3 years ago

6 0

Answer: Stratified sampling

Step-by-step explanation:

A random sampling where the population is divided into non-coinciding groups are called strata and a sample is picked out by some design within each strata is known as stratified sampling.

Given : The population of a town is divided into three age categories which are strata . A random sample of each category is surveyed about voting

choices.

Then this type of sampling is called stratified sampling.

kvv77 [185]3 years ago

4 0

Answer:

The population of a town is divided into three age categories. A random sample of each category is surveyed about voting choices. this type of sampling is called stratified sampling.

Step-by-step explanation:

Stratified sampling refers to a type of sampling technique whereby an analyst or researcher divides the large population of interest into a number of groups, referred to as strata.

The researcher then obtains a simple random sample from the respective groups or categories.

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I need help thanks so much

Lerok [7]

Answer:

c. 1 $\frac{3}{8}$ inches

Step-by-step explanation:

Since the paper clip is past the 1, the answer will be 1 and ___.

the mark in the middle of the 1 and 2 is one half (1/2)

the mark in between the 1 and 1/2 is 1/4

the mark between 1/4 and 1/2 is 1/8

there are three (3) 1/8 marks where the paperclip is

3 * 1/8 = 3/8

so your answer is 1 3/8

hope this helps:)

6 0

2 years ago

Bobby bought 10-feet of wrapping paper. He will use 2 1/8 feet to wrap each gift. How many gifts can be

Oksana_A [137]

Answer:

C 4

Step-by-step explanation:

2 1/8 = 1 gift

4 2/8 = 2 gifts

6 3/8 = 3 gifts

8 4/8 = 4 gifts

10 5/8 would equal 5 gifts but bobby does not have that extra 5/8 of wrapping paper to finish it so he can only fully wrap 4 gifts.

6 0

3 years ago

A scout troop is planting trees at the state park. The troop planted 7 trees in 3 hours. At that rate, how many trees will they

Novay_Z [31]

Answer:

I believe 57

Step-by-step explanation:

7 trees per 3 hours

6 hours = 14 trees

plus the 2 hours which I'm assuming 5 to 4 trees

so you multiply 19 trees per day

19 x 3 = 57 if I'm wrong please correct me :)

7 0

3 years ago

The net of an isosceles triangular prism is shown. What is the surface area, in square units, of the triangular prism?

neonofarm [45]

Area of three rectangles

3LB
3(8)(6)
24(6)
144units²

Area of two triangles

1/2(6)(4)
3(4)
12units²

Total

144+12
156units²

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2 years ago

The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped with a mean of 61 ounces and a standard

meriva

Answer:

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7 0

3 years ago