4 years ago

What is the square root of 5

Mathematics

2 answers:

olga2289 [7]4 years ago

8 0

The square root of 5 is 2.23

Dafna1 [17]4 years ago

7 0

The square root of 5 is √<span>5
</span><span>(Decimal: 2.236068)</span>

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3 years ago

3/4 of what number is 8 more than 25

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3/4 of 44 is 8 more than 25

Step-by-step explanation:

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4 years ago

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3 years ago

The average expenditure on Valentine's Day was expected to be $100.89 (USA Today, February 13, 2006). Do male and female consume

AfilCa [17]

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Yes. The male and female consumers differ in the amounts they spend.

Step-by-step explanation:

We can express the null and alternative hypothesis as:

$H_0: \mu_m=\mu_w\\\\H_1: \mu_m\neq\mu_w$

It is assumed a significance level of 0.05.

The standard deviation of the difference of means is calculated as:

$s=\sqrt{\frac{s_m^2}{n_m} +\frac{s_w^2}{n_w} } =\sqrt{\frac{35^2}{40} +\frac{20^2}{30} } =\sqrt{30.625+13.333} =\sqrt{43.958} =6.63$

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The degrees of freedom are:

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We can conclude that male and female consumers differ in the amounts they spend.

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4 years ago