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pav-90 [236]
3 years ago
15

A researcher conducts an independent-measures study examining the effectiveness of a group exercise program at an assisted livin

g facility for elderly adults. One group of residents is selected to participate in the program, and a second group serves as a control. After 6 weeks, the researcher records a combined score measuring balance and strength for each individual. The data are as follows:
Control Exercise n = 10 n = 15 M = 12 M = 15.5 SS = 120.5 SS = 190.0
a. Does the exercise program have a significant effect? Use an alpha level of .05, two tails.

b. Compute Cohen�s d to measure the size of the treatment effect.

Mathematics
1 answer:
Veronika [31]3 years ago
4 0

Answer:

Check the explanation

Step-by-step explanation:

Kindly check the attached images below to see the step by step explanation to the question above.

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Write quadratic function with zeros 3,6
kaheart [24]

Answer:

y=x^2-9x+18

Step-by-step explanation:

If x1=3 and x2=6, then the equation for the zeroes would be (x-3)(x-6)=0, which can then be expanded to x^2-9x+18=0, making the function y=x^2-9x+18

3 0
3 years ago
Pls answer. i will mark u as branliest
Artemon [7]

Answer:

540°

Step-by-step explanation:

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3 0
3 years ago
Luna invested $8000 for 36 months at an interest rate of 4.8% per month. How much money will Luna have at the end of her investm
Degger [83]

Answer : $ 9, 152

Luna invested $8000 for 36 months at an interest rate of 4.8%

Let P = principal

T = time

r = rate

Using the simple interest,

\begin{gathered} I\text{ =}\frac{P\text{ x R x T}}{100} \\ P\text{ = \$8000} \\ r\text{ = 4.8\%} \\ t\text{ = 36 months} \\ 12\text{ months = 1 year} \\ 36\text{ months = x year} \\ \text{Cross multiply} \\ 12\cdot\text{ x = 1 x 36} \\ 12x\text{ = 36} \\ \text{Divide both sides by 12} \\ x\text{ = 36/12} \\ x\text{ = 3 years} \\ \text{Hence, t = 36 months = 3 years} \\ I\text{ = }\frac{8000\text{ x 3 x 4.8}}{100} \\ I\text{ = }\frac{115,\text{ 200}}{100} \\ I\text{ = \$1, 152} \end{gathered}

The total balance = Interest + principal

Balance = 1, 152 + 8000

Balance =$9, 152

The total money she will have at the end of the investment is $9, 152

3 0
1 year ago
Tali bought 4 7/8 yards of fabric. If each scarf requires
nataly862011 [7]

Answer:

3

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Number of scarves Tail could make = 4 7/8 ÷ 1 5/8

  = 39/8 ÷ 13/8

=\frac{39}{8}*\frac{8}{13}\\\\=3    

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Margaret [11]
The answer is -10x^3+23x^2-24x+18
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3 years ago
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