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IrinaVladis [17]
3 years ago
15

Develop an estimated multiple linear regression model that could be used to predict the alumni giving rate using the graduation

rate, % of classes under 20, and studen
a. True
b. Falseaculty ratio as 2 | page independent variables. discuss your findings. how much of the variation in the sample of values of dependent variable does the regression model explain? using the f test, is the overall regression statistically significant at the 0.05 level of significance? if so, using the t test, then test whether each of the regression parameters of the model is equal to zero at a 0.05 level of significance (for each statistical test, write down the null and alternative hypotheses).
Mathematics
1 answer:
madam [21]3 years ago
4 0
The answer to this question is false that's the answer
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Niccola travels at an average speed of 40 mph for 50 miles.
sweet [91]

Answer:

36.67 [mile/hour].

Step-by-step explanation:

1) use the formula: V=S/t, where S - entire jorney, v - average speed (required to calculate), t - elapsed entire time.

2) according to the formula above S=50+60=110 miles; t= 50/40 + 1.75=1.25+1.75=3 hours.

3) after the substitutuion  110 and 3 into the formula above:

v=110/3≈36.67 miles/h.

7 0
2 years ago
Decimal Operati<br> 1. Find the sum of the expression.<br> 0.975 + 3.8
BlackZzzverrR [31]

Answer:

4.775

Step-by-step explanation:

3 0
3 years ago
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Simplify the following surd expressions
AlexFokin [52]

Answer:

A) \sqrt{2}

B) 4\sqrt{11}

Step-by-step explanation:

A) You can add these expression because they contain the same square root:

6\sqrt{2}  - 5\sqrt{2} = (6 - 5)\sqrt{2} =\sqrt{2}

B) Same as above:

\sqrt{11} + 3\sqrt{11} = (1 + 3)\sqrt{11} = 4\sqrt{11}

3 0
3 years ago
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Derek saves 10% of his paycheck each week to buy a mountain bike the mountain bike costs 340.00 Derek receives a paycheck in the
katrin2010 [14]

Answer: 13 weeks

Step-by-step explanation:

First you have to find 10% of 340.00 which is 28, so each week he saves 28.00 for his bike. To find how many paychecks he has to recieve you divide 340.00 by 28.00, which is 12.1, since there is a decimal place you have to round it up to 13 because it is a little bit more than 12 paychecks. ;)

7 0
3 years ago
Is the expression 3(x+1 1\2)-3 equivalent to 3x+1 1\2
Ket [755]

Answer:

no

Step-by-step explanation:

first simplify or solve the original expression ( 3(x + 11/2)-3 )

1.  Parenthesis go first so do the 11/2 = 5.5 (x+5.5)

2. Distribute the 3 to the parenthesis (3x + 16.5)

3. subtract 3 from the expression (3x + 13.5)

Compare new equation with 3x + 11/2. Are they the same? (3x+13.5 vs. 3x + 11/2)

They are not the same thing.

3 0
3 years ago
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