08/13/14

In an Analysis of variance (ANOVA) with four groups, each containing 15 respondents, calculate the between groups' degrees of freedom?
Choose one of the following:   A) 15 B) 14 C) 4 D) 3
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08/12/14

In an Analysis of variance (ANOVA) with four groups, each containing 15 respondents, calculate the total degrees of freedom
A) 60B) 59C) 56D) 42
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08/12/14

In an Analysis of variance (ANOVA) with four groups, each containing 15 respondents, calculate the within groups' degrees of freedom
A) 60 B) 59 C) 56 D) 42
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08/12/14

When the null hypothesis is rejected
A) it is unlikely that the difference is a result of chance B) the research hypothesis is proven to be false C) the population means are equal D) the t value in the table is greater than the... more
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08/11/14

Post tests are not be needed if H0 is rejected in an ANOVA comparing k = 2 treatments.
True or False ? 
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08/09/14

a random sample of 40 students has a test score average with a standard deviation of 11.1. Find the margin of error c=0.98
A random sample of 40 students has a test score average with a standard deviation of 11.1.  find the margin of error c=0.98
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08/08/14

if the hight of a cylinder is 4 inches, and the volume is 15 ml, whats the diameter?
if the hight of a cylinder is 4 inches, and the volume is 15 ml, whats the diameter?    please answer asap! its so important! 
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07/30/14

g(x) = 5x^2 - 4x, h(x) = -4x^2 - 6x
I need to find  (g - h)(3). I am confused on how to do this. Please help!
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07/30/14

A new yarn shop wants to apportion their investment money ($90,000) in the ratio of 7:8:10. How much money does each category get?
please give detailed explanation
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07/29/14

if the perimeter of basketball court is 114 meters and the length is 6 meters longer then twice the width, what are the length and width
how to i set up the problem, and how do i work out the problem
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07/29/14

Use square roots to solve the following equations round to the nearest hundredth if necessary
3y2+51=918
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07/26/14

If the height of the cylinder is 10 inches, and the surface area is 200 sq. inches, determine the length of the radius
The formula for the surface area of a cylinder is: A=2pirh+2pir^2
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07/26/14

word problem
a store mixes kentucky blue grass worth $11 per pound and ryegrass worth $14 per pound. the mixture is to sell for $13 per pound. How much of each should be used to make a 204 pound mixture?
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07/26/14

evaluate - | 4-7 |
evaluate - | 4-7 |
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07/24/14

According to this formula, about how long will it take a population to double if the annunal growth rate is 3.2%? Note:
The formula below gives T, the approximate time in years it takes a population to double if the annunal growth rate is R percent.   T= 70       R
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07/22/14

How do I find the derivative of 9secx-2x?
I need to find the derivative of 9secx-2x.  I am stumped.
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07/16/14

Algebra Polynomials
Evaluate the Polynomial for x=3 and for x=-3   2x^3 - 1/9 x^2
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07/13/14

Help! I need help on log question!
How do i calculate to the tenth place? For Log21  
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07/12/14

If the null hypothesis is true and you run a z-score test using the .05 level of significance, what is the probability that you will make a Type I error?
1. 0.05 2. 0.95 3. 0 4. between 0 and 0.05 5. not enough information to answer.   I'm guessing it is 0.95 
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07/12/14

In a research report, the notation p < .05 indicates that the probability of a Type I error is less than .05.
TRUE OR FALSE ? 
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07/11/14

How much interest is earned in 2 years on $13,006 invested at an interest rate of 5% per year?
Please help me with this questions.
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07/11/14

write as a single logarithm using properties of logarithms.
log5-(2loga+3logb)
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07/11/14

help with fission and fusion
1.  durring fission   a.  work is done to pull nucleons out of th nucleus b.  the nucleons lose mass c.  mass is converted into energy  (I say no to this answer) d.  all of these   I think... more
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07/10/14

help with krypton (Kr) and periodic table
    1.  the element kyrpton (kr) has an average atomic mass of 83.80.  this means that   a.  the average mass of  a mixture of krypton isotopes is 83.80 b.  all the atoms is a sample of... more
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07/10/14

f(x)=-6x-1 and g(x)=4x^2 select the solution for (fg)(x)
i don't understand on how to do this..........................................
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