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sergejj [24]
2 years ago
7

PLEASE HELP I WILL GIVE BRAINLIEST Which statement accurately describes the scatterplot

Mathematics
2 answers:
Kazeer [188]2 years ago
8 0

Answer:

b

Step-by-step explanation:

nice man

d1i1m1o1n [39]2 years ago
3 0

Answer:

B is the answer for sure, because there are two outliers, there is a visible line, and they are not at all clustered around a single point

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Tpy6a [65]
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4 0
2 years ago
Medicare would like to test the hypothesis that the average monthly rate for one-bedroom assisted-living facility is equal to $3
aliina [53]

Answer:

C) more than the absolute value of the critical value, we can conclude that the average monthly rate for an assisted-living facility is not equal to $3,300.

Step-by-step explanation:

Hello!

Interest hypothesizes is " the average monthly rate for one-bedroom assisted-living facility is equal to $3300" symbolically: μ = 3300

The study variable is:

X: Monthly rate for a one-bedroom assisted-living facility.

Since there is no information about the distribution of the variable, to be able to study the population mean, I'll assume that the variable has a normal distribution.

The hypothesis is:

H₀: μ = 3300

H₁: μ ≠ 3300

α: 0.05

The statistic to use, considering that there is no known population information and the sample size, is a Student t:

t= <u> X[bar] - μ </u> ~t_{n-1}

       S/√n

n= 12

X[bar]= $3690

S= $530

Using the sample data, calculate the statistic value:

t= <u> 3690 - 3300 </u> = 2.549

       530/√12

The rejection region for this test is two-tailed, with critical values:

t_{n-1; \alpha /2} = t_{11; 0.025} = -2.201

t_{n-1;1-\alpha /2} = t_{11; 0.975} = 2.201

The decision rule is:

Reject the null hypothesis if t ≤ -2.201 or if t ≥ 2.201

Not reject the null hypothesis if -2.201 < t < 2.201

Since the calculated value (2.549) is greater than the right critical value (2.201) the decision is to reject the null hypothesis.

With a signification level of 5%, there is enough evidence to reject the null hypothesis. This means that the population mean of the monthly rate for a one-bedroom assisted living facility is different from $3300.

I hope it helps!

7 0
2 years ago
Help please! will give brainliest :)
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By taking common

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Bananas are 5 for 79 cents . Isaiah bought 7 bananas. How many did Isaiah spend?
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C it’s always c. When in doubt always chose c
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3 years ago
Which of the following equations is the accurate representation of the following​ statement?
k0ka [10]

Answer:

5x - \frac{x}{3} = \frac{1}{4}

Step-by-step explanation:

6 0
2 years ago
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