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3 years ago

What are the advantages and disadvantages of using cumulative frequency?

1 answer:

7 0

Advantages: -very informative when examining how values are changing within the data set. -shows the running total of frequencies from the lowest interval up.
disadvantages: -difficult to compare the frequencies between each data group.

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This is problem six of the homework that you ask for

Marina86 [1]

This equation could represent the relationship e=8.75h

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3 years ago

What is the quotient of (2x^5+6x^3+12x) and (2x)

Archy [21]

Answer:

$\frac{2x^5+6x^3+12x}{2x} = x^3+3x^2+6$

Step-by-step explanation:

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3 years ago

HELP! what is m∠P????

Ber [7]

Answer:

the best answer is 94

Step-by-step explanation:

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3 years ago

The mean number of hours of part-time work per week for a sample of 317 teenagers is 29. If the margin of error for the populati

Shtirlitz [24]

Answer:

The degrees of freedom are given by:

$df=n-1=317-1=316$

And replaicing we got:

$29-2.1=26.9$

$29+2.1=31.1$

The 95% confidence interval would be between 26.9 and 31.1

Step-by-step explanation:

Information given

$\bar X= 29$ represent the sample mean

$\mu$ population mean

s represent the sample standard deviation

$ME= 2.1$ represent the margin of error

n represent the sample size

Solution

The confidence interval for the mean is given by the following formula:

$\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}$ (1)

And this formula is equivalent to:

$\bar X \pm ME[/te]xThe degrees of freedom are given by:[tex]df=n-1=317-1=316$

And replaicing we got:

$29-2.1=26.9$

$29+2.1=31.1$

The 95% confidence interval would be between 26.9 and 31.1

7 0

4 years ago

What is the volume of a cylinder with a height of 5cm and diameter of 9cm?

Maslowich

The equation is V = PI x r^2 x h

r = 1/2 the diameter = 4.5

Volume = 3.14 x 4.5^2 x 5

Volume = 317.9 cm^3

3 0

3 years ago