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Lyrx [107]
3 years ago
12

Use the data set to answer the question.

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
4 0

Answer:

The only choice showing the correct distribution of frequencies is c.

Step-by-step explanation:

Data Plots

Considering the provided data:

{11,15,8,2,7,10,9,12,11,8,12,3,14,8,2,9}

To produce a data plot, it's convenient to sort the data:

{2,2,3,7,8,8,8,9,9,10,11,11,12,12,14,15}

It's easier now to see the frequency of each data:

# :f

-----

2 :2

3 :1

7 :1

8 :3

9 :2

10:1

11:2

12:2

14:1

15:1

The only choice showing the correct distribution of frequencies is c.

zalisa [80]3 years ago
3 0
The answer is c I hope this helps :)
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I need help describing why for each one!
Ivan

a. "The newer car is more expensive" is false. The leftmost graph is a graph of cost versus time; you can see that as you increase in age, the cost lowers (point B to point A).


b. "The slower car is larger" is true. Middle graph is the relevant one. You can see that as cruising speed increases, the size decreases. Point A is the larger car than point B


c. We have to use multiple graphs. We see that car A is the larger car from the middle graph but car A is older than car B from the left graph. So no, the larger car is newer is false.

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4 years ago
Read 2 more answers
A cheetah can run 103 feet per second. A zebra can run x feet per second. Use the distributive property to write and simplify an
Morgarella [4.7K]

Answer:

(103-x) 10 ft

Step-by-step explanation:

A Cheetah can run at 103 ft/s.

A Zebra can run at x ft/s.

We have to use distributive property, in the distributive property we multiply a sum by multiplying each addend separately and then add the products.

a \times (b+c)= a \times b + a \times c

In ten seconds, Cheetah will cover,

10 \times 103 = 1030 ft

In ten seconds, Zebra will cover,

x \times 10= 10 x ft

So the distance by which Cheetah is farther than Zebra is,

1030 - 10x

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Numbers of what are less than 4 miles?
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3 years ago
Annual salary plus bonus data for chief executive officers are presented in the BusinessWeek Annual Pay Survey. A preliminary sa
andrezito [222]

Answer: 176.

Step-by-step explanation:

Formula to find the sample size is given by :-

n=(\dfrac{z^*\cdot \sigma}{E})^2

, where \sigma = Population standard deviation from prior study.

E = margin of error.

z* = Critical value.

As per given , we have

\sigma=\$675000

E= $100,000

We take 95% confidence interval.

Critical value (Two tailed)=z^*=1.96

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n=(13.23)^2\\\\ n=175.03299\approx176 [Round to next integer]

Hence, the required sample size = 176.

6 0
3 years ago
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