MATHEMATICS HIGH SCHOOL

What is the difference between class limits and class​ boundaries?

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:

Class limits are the minimum data value(lower) and maximum data value (upper) that a class can contain. They usually have the same numerical accuracy as the original data values.

Class boundaries are boundary lines that mark or separate where one class stops and the other begins. The lower class boundary of a given class is got by finding the average of the previous upper class limit and the given lower class limit while the upper class boundary is got by finding the average of the given upper class limit and the next lower class limit.
Answer 2
Answer:

Final answer:

Class limits and class boundaries are statistical terms used in frequency distributions. Class limits are the smallest and largest values of a class, while class boundaries are the points separating one class from another.

Explanation:

The terms class limits and class boundaries are used in the field of statistics, particularly in the context of frequency distributions. Class limits are the smallest and largest values that can fall within each class in a frequency distribution, whereas class boundaries are the points that separate one class from another, and each boundary forms the end of one class and the start of the next.

For example, imagine you are analyzing the frequency of test scores and you have a class with limits of 80 and 89. These limits are the smallest and largest scores that fit into that class. However, the class boundaries are 79.5 and 89.5, serving as the dividing lines between this class and the next ones.

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The area of a square picture frame is 55 square inches. Find the length of one side of the frame. Explain to the nearest whole inch.

Answers

Given:

The area of a square picture frame is 55 square inches.

To find:

The length of one side of the frame.

Solution:

Let the length of one side of the frame is x inches.

Area of square is

Area=a^2

where a is side length.

Area of frame is

Area=x^2

55=x^2

Taking square root on both sides.

√(55)=x

x=7.4161985

x\approx 7

49<55<64, so 7<√(55)<8. Since 55 is closer to 49, therefore, √(55) is closer to 7.

Therefore, the length of one side of the frame is 7 inches.

Seven less than a number is twenty (as an equation)

Answers

You're expression is correct if it's asking for a number that is less than 7. But if the problem is asking for some number less than seven as in seven less some number, then it's 7-n. For example: 4 less than 7 is 7-4.

Hope this helps!

Find the missing side of the triangle. Round to nearest tenth if needed.

Answers

Answer:

6.7

Step-by-step explanation:

6.7 because 3.4 is way to small 7.9 would be close but not the  right length and 8.5 is way too long to be on the bottom.

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A cylindrical well is 20 meters deep and has a diameter of 1.5 meters. Approximately how many cubic meters of soil were dug out to make the well? (Use π = 3.14.)11.78 cubic meters
35.33 cubic meters
121.20 cubic meters
141.30 cubic meters

Answers

V = πr2h

V = 3.14 x 0.75 x 0.75 x 20

V = 35.33 cubic meters

Hope i will become the brainilest.

Answer:

35.33 cubic meters

Step-by-step explanation:

just took the test

Variable y varies directly with variable x, and y = 6 when x = 9. What is the value of x when y = 18?

Answers

Well, 18 is 6 x 3

Since y was multiplied by 3, we can multiply x by 3 to get its value

9 x 3 = 27
(9)(6)=(x)(18)
54=18x
3=x
hope this helps!

Lindsay paid $4.40 for 1 gallon of ice cream. At this rate, what 1 quart cost? What would 1 pint cost? Please explain.

Answers

each pint would cost 55 cents if u divide 1.10 by two because I think that there are two pints in one quart.
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