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2 years ago

What is the slope of the line on the graph?

Mathematics

1 answer:

Leni [432]2 years ago

8 0

Rise over run, so if the line had a slope of 3/5 you would go up 3 and over 5 to plot your next point. I hope this helped <3

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A random sample of 121 students from the University of Oklahoma had a sample mean ACT score of 23.4 with a sample standard devia

Grace [21]

Answer:

(22.74,24.06) is the required 95% confidence interval for the population mean ACT score of University of Oklahoma students.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 121

Sample mean = 23.4

Sample standard deviation = 3.65

Level of significance = 0.05

Degree of freedom

$= n - 1 = 120$

95% Confidence interval:

$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Calculation of critical value:

$t_{critical}\text{ at degree of freedom 120 and}~\alpha_{0.05} = \pm 1.9799$

Putting the values, we get,

$23.4\pm 1.9799(\dfrac{3.65}{\sqrt{121}} )\\\\ = 23.4 \pm 0.6569\\\\ = (22.7431 ,24.0569)\approx (22.74,24.06)$

(22.74,24.06) is the required 95% confidence interval for the population mean ACT score of University of Oklahoma students.

5 0

2 years ago

A banana has 90 calories. This is 5 calories less than one seventh of calories in a banana spilt. How many calories in a banana

AveGali [126]

Banana split has 7.857 calories

5 0

2 years ago

Read 2 more answers

Lee Jenkins worked the following hours as a manager for a local Pizza Hut: 82,61,7

emmainna [20.7K]

Answer:

223 hours

Step-by-step explanation:

Total hours worked by Lee = sum of all the hours worked

That’s

82 + 61 + 7 + 73 = 223 hours

Therefore, Lee worked 223 hours as manager for the local Pizza Hut

5 0

3 years ago

Can somebody help me figure this out? I've done it twice but have came to the same answer both times.

Taya2010 [7]

Answer:

I have A 43.5

Step-by-step explanation:

8 0

2 years ago

HELP!!! PLEASE 50 POINTS!!!!!!!!!

natka813 [3]

Answer:

d. (5,-2)

Step-by-step explanation:

On the original segment (black endpoints), the (red) point is the most accurate to being 2/3 the distance from endpoint (-3,8)

3 0

1 year ago