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Viktor [21]
3 years ago
7

Do the expressions have only one term. write yes or no 1. x 2. p/4 3. 23-w

Mathematics
1 answer:
MrRa [10]3 years ago
8 0
They all only have 1 term.
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A hypothesis test is conducted at the .05 level of significance to test whether or not the population correlation is zero. If th
finlep [7]

Answer:

Th computed value of the test statistic is 3.597

Step-by-step explanation:

The null and the alternative hypothesis is as follows:

Null Hypothesis:

\mathbf{H_o:} the population correlation coefficient is equal to zero

\mathbf{H_a:} the population correlation coefficient is not equal to zero

The test statistics for Pearson correlation coefficient is thus computed as :

t =\dfrac{r \sqrt{(n-2)}} { \sqrt{(1-(r)^2)} }

where;

r = correlation coefficient = 0.60

n = sample size = 25

So;

t =\dfrac{0.60 \sqrt{(25-2)}} { \sqrt{(1-(0.60)^2)} }

t =\dfrac{0.60 \sqrt{(23)}} { \sqrt{(1-0.36} }

t =\dfrac{0.60 *4.796} {0.8}

t = 3.597

Comparing to a critical value of t (23 degrees of freedom two-tailed value) = 2.069

Decision Rule:

Since computed value of t is greater than the critical value of t; We reject the null hypothesis and accept the alternative hypothesis.

Conclusion:

We conclude that the population correlation coefficient significantly differs from 0 at 5% (0.05) level of significance.

6 0
3 years ago
your family gives you $3 on the first day, $3.50 on the second, $4 on the third, and so on, increasing by 50 cents per day. In a
never [62]
325.5 if I did my math right
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2 years ago
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Four balls of wool will make 8 knitted caps.How many balls of wool will Malcom need if he wants to make 6 caps?
SOVA2 [1]
3 balls of wool because 4 balls of wool/8 caps=1/2 ball of wool to make each cap. 1/2 ball x 6 caps=3 balls of wool.
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3 years ago
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How do I do this step by step?<br><br> 3(y-2) +5y = y+22
tatiyna

Answer:

3(Y-2) +5Y =Y+22

3Y-6 +5Y=Y+22

3Y -6 +5Y-Y-22=0

3Y+5Y-Y-6-22=0

7Y-28=0

7Y=28

Y=28/7

Y=4

Step-by-step explanation:

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3 years ago
What is the constant proportionality of 6x,9y<br><br><br><br><br><br> Help me pls T^T
yuradex [85]

Answer:

ergyth6eu56g

Step-by-step explanation:

3 0
2 years ago
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