How do I find the interval for a frequency table

1 answer:

3 0

First you need to know how to calculate the class interval;

Calculating the class interval using the following formula:

Class interval = range ÷ number of classes. If you have 15 classes of income in the distribution of income example, work out 30 ÷ 15 = $2 billion.

Anyways, back to your question how you would find the interval for a frequency table is yeah think I explained it right.

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lord [1]

Answer:

3.46

Step-by-step explanation:

8 0

3 years ago

How many solutions does the system of equations have? x - 3y = 15 and 3x - 9y=45

pantera1 [17]

For the answer to the question above asking how many solutions does the system of equations have? y - 6x = -3 and 4y - 24x = -16. The answer is y - 6x = -3 -6x + y = -3 6x - y = 3
4y - 24x = -16 -24x + 4y = -16 24x - 4y = 16 reduces to 6x - y = 4
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8 0

4 years ago

Evaluate the expression when a=3 and b= 19.<br> b-4a

Sphinxa [80]

Answer:

Step-by-step explanation:

19 - 4(3) = 19 - 12 = 7

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3 0

3 years ago

Determine which type of sampling is most appropriate. Biologists divide the regions where Red foxes are found into the Nearctic

anzhelika [568]

Answer:

The sampling technique used here is Stratified random sampling.

Step-by-step explanation:

Stratified random sampling is a sampling procedure where the researcher first divided the entire population into groups, known as strata. These groups are homogeneous in nature.

Then from these strata a simple random sample of individuals are selected.

In this case the Biologist first divide the entire region of Red foxes into various groups. Then he samples 100 female foxes from each of these groups.

This is an example of stratified sampling.

Thus, the sampling technique used here is Stratified random sampling.

4 0

4 years ago

82 rounded to the nearest ten

Mrrafil [7]

80
because 2 rounds down

3 0

3 years ago