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3 years ago

Is how many sixth graders attend your school a statistical question?

Mathematics

2 answers:

HACTEHA [7]3 years ago

8 0

Yes, any question that involves numbers would be a statistical question.

Bogdan [553]3 years ago

5 0

It depends, if you're asking a multitude of Junior High's it could be, here's an example of a question that would be statistical though.

<span>How many minutes do 6th grade students typically spend on homework each week?</span>

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If 2x<br> + 13x – 7 = 0, then x could equal to which of the following?

Leokris [45]

Answer:

7 / 15

Step-by-step explanation:

15x - 7 = 0

15x = 7

x = 7/15

7 0

3 years ago

Read 2 more answers

Suppose that the ages of members in a large billiards league have a known standard deviation of σ = 12 σ=12sigma, equals, 12 yea

asambeis [7]

Answer:

$n\geq 23$

Step-by-step explanation:

-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:

$n\geq (\frac{z\sigma}{ME})^2$

Where:

$\sigma$ is the standard deviation
$ME$ is the desired margin of error.

We substitute our given values to calculate the sample size:

$n\geq (\frac{z\sigma}{ME})^2\\\\\geq (\frac{1.96\times 12}{5})^2\\\\\geq 22.13\approx23$

Hence, the smallest desired sample size is 23

3 0

3 years ago

Using a 21 sided polygon as a base,complete the following table:

alex41 [277]

Answer: i dont understand

Step-by-step explanation:

7 0

3 years ago

Simplify the expression by combining like terms. 16+8−3+6−9

lyudmila [28]

Answer=18
First step combine the positive like terms
16+8+6
|
|
\/
30
Second step is to combine negative like terms with 30
30-3-9

When you do this you add 9 and 3 together since they are similar to each other so it equals 12 there for the equation becomes.....
30-12

Final answer 18

4 0

3 years ago

Deanna knows that the floor in her kitchen is a square with an area of 169 ft2. The perimeter of her kitchen floor is found by a

Savatey [412]

Answer:

52 ft

Step-by-step explanation:

area of a square is l x w. all sides are equal so the l = w

A = 169 ft^2 so each side is the square root of 169 which is 13 ft

perimeter of the floor would be all four sides added or length of 1 side multiplied by 4 since they are all equal

Perimeter = 13ft × 4 = 52 ft

so:

6 0

3 years ago

Read 2 more answers