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Gekata [30.6K]
3 years ago
11

Based on the output when testing to see if the population mean heart rate of UK students is not equal to 80, identify the follow

ing.
a. Identify the alternative and null hypothesis.
b. Identify the sample mean.
c. Identify the sample standard deviation.
d. Identify the standard error.
e. Identify the t value.
f. Identify the p-value – called Sig.(2-tailed) in SPSS.
g. Make your decision (Reject H0 or Fail to Reject H0 ) at   .05 .
h. Interpret the result
Mathematics
1 answer:
AleksAgata [21]3 years ago
8 0

Answer:

Step-by-step explanation:

a)  H_o: mu =80\\H_a: mu not equals 80\\

b) Sample mean is the average of sample

c) std deviation of the sample

d) std dev/sq rt n

e) (sample mean - mu)/std error

f) p value = prob with test statistic

g) If p < alpha, reject H0.

h) If rejected, there is evidence that significant difference between population mean and sample mean.

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A car rental company offers two plans for renting a car.
mixas84 [53]

Answer:

More than 375 miles.

Step-by-step explanation:

Let x represent number of miles.

We have been given that according to plan A, the company charges 20 dollars per day and 8 cents per mile.

The cost of driving a car for x miles would be 0.08x.

The total cost of driving a car for x miles would be 0.08x+20.

To find the number of miles, we can represent our given information in an inequality, where cost of plan A is greater than plan B as:

0.08x+20>50

0.08x+20-20>50-20

0.08x>30

\frac{0.08x}{0.08}>\frac{30}{0.08}

x>375

Therefore, we should drive more than 375 miles for plan B to save us money.

5 0
3 years ago
Which expression is equivalent to 1/2r + 8p –3/4r – 2p?
Hunter-Best [27]

Answer:

-1/4r+6p

Step-by-step explanation:

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3 years ago
Describing part to part realationship
Leokris [45]

Answer:

If you mean a part to part ratio, this basically describes a ratio or relationship that compares two different groups.

Step-by-step explanation:

If you mean a part to part ratio, this basically describes a ratio or relationship that compares two different groups.

An example would be if I compared the number of dogs to cats in a house. If there were 10 dogs and 3 cats, I would write 10:3.

Hope this helped! God bless and stay safe :)

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What is the answer to 6.59+(-7.8)-(2.41)=
strojnjashka [21]
The answer is -3.62... hope it helps! :)
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3 years ago
Help me please! Math homework. I’m in 7th grade, and I lost all my brain cells
maria [59]

Answer:

A) 32, 40, 48, 56, 64, 72, 80

B) y-axis goes 4, 8, 12

x-axis goes 4, 8, 12, 16, 20

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