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3 years ago

7

The null hypothesis for the chi-square test of independence is that the variables are: ___________

1 answer:

Aleks04 [339]3 years ago

5 0

Answer: not related

Step-by-step explanation: Statistical tests are employed when trying to establish the existence or non-existence of relationship between two variables. Variables may be numerical or categorical, in most cases, regression is employed in establishing relationship between. numerical variables. However, the Chisquare test of independence is employed when analysing and trying to establish if a relationship exists between two categorical variables. With the null hypothesis maintain that both variables are independent are hence unrelated while the alternative hypothesis states otherwise.

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The Orchard Cafe has found that about 3% of the diners who make reservations don't show up. If 83 reservations have been made, h

daser333 [38]

Answer:

$\mu = 80.51\\\sigma = 1.56$

Step-by-step explanation:

We are given the following information in the question:

Percentage of of the diners who make reservations don't show up = 3%

Number of reservations = 83

Thus, we are given a binomial distribution with n = 83 and p = 0.97

$X\sim \text{ Binom}(p = 0.97, n = 83)$

$\mu = np = (83)(0.97) = 80.51$

Around 81 people can be expected to show up.

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3 years ago

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Mademuasel [1]

Answer:

The one time fee of $25 is the ibdependent variable.

Step-by-step explanation:

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4 years ago

Read 2 more answers

What is the largest of 3 consecutive integers such that the sum of the first and third is equal to three times the second.

Norma-Jean [14]

Answer:

1

Step-by-step explanation:

What is the largest of 3 consecutive integers such that the sum of the first and third is equal to three times the second?

3 consecutive angles

= x, x + 1, x + 2

We are told in the question that:

the sum of the first and third is equal to three times the second

a + c = 3b

x + x + 2 = 3(x + 1)

2x + 2 = 3x + 3

3x - 2x = 2 - 3

x = -1

The largest of the three numbers is the third number

= x + 2

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3 years ago

What is the slope between (14,-8) and (7,-6)

djyliett [7]

Answer:

$- \frac{2}{7}$

Step-by-step explanation:

Slope formula:

$\boxed{ slope = \frac{y _{1} - y_2 }{x_1 - x_2} }$

where (x₁, y₁) is the first coordinate and (x₂, y₂) is the second coordinate

Slope

$= \frac{ - 8 - ( - 6)}{14 - 7}$

$= \frac{ - 8 + 6}{7}$

$= - \frac{2}{7}$

3 0

3 years ago