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Maslowich
2 years ago
14

It's a yes or no question​

Mathematics
1 answer:
wel2 years ago
3 0

Answer: No, figure A is not a scale copy of figure B.

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Jason and Jill or two students in mr. White's math class. On the last 5 quizzes Jason scored an 80 90 95 85 and 70. Jill scored
Mrac [35]

Jason's scores : 80 90 95 85 70 and

Jill's score : 70 75 90 100 95.

Mean of Jason's scores = \frac{80 + 90 + 95 + 85 + 70}{5}=\frac{420}{5}=84.

Mean of Jill's scores = \frac{70+75+90+100+95}{5}=\frac{430}{5}=86

Now, in order to find the mean absolute deviation, need to find the difference of each score from means.

<u>Mean absolute deviation for Jason's scores.</u>        

|84-80| = 4

|84-90| = 6

|84-95| = 9

|84-85| = 1

|84-70|= 14

\frac{4+6+9+1+14}{5}=\frac{34}{5}=6.8

<u>Mean absolute deviation for Jill's scores</u>

|86-70| = 16

|86-75| = 11

|86-90| = 4

|86-100| = 14

|86-95|= 9

\frac{16+11+4+14+9}{5}=\frac{54}{5}=10.8

Jill got average quiz score 86 and Jason got 84.

Therefore, Jill got better quiz average.

Also, the mean absolute deviation for Jason scores is less that is 6.8 than 10.8.

Therefore, Jason got more consistent grades.

8 0
3 years ago
Crystal is paying the bill at a restaurant. Ignoring all taxes, the
Leona [35]

Answer: She will pay $64.90 in total.

Step-by-step explanation: The bill at the restaurant comes to $55 and Crystal wants to include an 18% tip.

So you will convert this into decimal form, which will be 0.18.

Now, you will multiply 55 by 0.18, giving you 9.9.

Add that to 55 and you will have your answer.

Have a great day!

8 0
3 years ago
Are you picky about the toilet paper you buy? James is! To investigate the absorbency power of his favorite
Zolol [24]

There's no convincing evidence at 0.05 significance level that this brand of toilet paper will require less than 26 squares.

<h3>What is a significance level?</h3>

A significance level simply means is the probability that an event has occured by chance.

In this case, there's convincing evidence at 0.05 significance level that this brand of toilet paper will require less than 26 squares to absorb 1/4 cup of water. Therefore, we fail to reject the null hypothesis.

A type of error that may have been made is type II error. This is the non rejection if the null hypothesis when it's false.

Learn more about significance level on:

brainly.com/question/9163177

5 0
2 years ago
(5,-2 is on which quardrant
blondinia [14]

Answer:

Quadrant IV, or the fourth quadrant.

Step-by-step explanation:

Plot your points, first plotting 5, then plotting -2.

4 0
3 years ago
Which point is located at (0.25,-0.5)?
pantera1 [17]

Answer:

the picture hasn't loaded reload it

6 0
2 years ago
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