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ehidna [41]
3 years ago
14

The dotplot shows the heights of 25 students in Mrs. Navard’s statistics class.

Mathematics
1 answer:
Zolol [24]3 years ago
4 0

Answer:

A)Percentile for Lynette, the student who is 65 in. tall is 36th

B) Asher is 22 inches tall.

Step-by-step explanation:

Percentile : It is a measure used in statistics indicating the value below which a given percentage of observations in a group of observations falls

A) Find the Percentile for Lynette, the student who is 65 in. tall.

No. of students below 65 inch =9

So, Percentage of data below 65 inch =\frac{9}{25} \times 100 = 36 \%

So, Percentile for Lynette, the student who is 65 in. tall is 36th

B)Ashers height is at the 88th percentile of the distribution. Interpret this value in context. How tall is Asher

88=\frac{x}{25} \times 100 \\\frac{2200}{100}=x

22=x

So, No. of students below or st 88th percentile = 22

So, Asher is 22 inches tall.

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The school soccer coach records the number of goals some players have scored so far this season. The dot plot of the number of g
yuradex [85]

Answer:

the means absolute deviation is 1.8

the striking deviation is 7

(it is because the data point on the far right of the graph)

Step-by-step explanation:

calculate the absolute deviation:

1.  calculate the mean (add all numbers and divide by 10) = 2.6

2.  find the absolute value of each

2.6 - 0 = 2.6

2.6 - 1 = 1.6 (you have 1's 4 times so each one will be 1.6)

2.6 - 3 = 0.4

2.6 - 4 = 1.4 (you have 4's 3 times)

2.6 - 7 = 4.4

3.  Then add all of those values together

2.6 + 1.6 + 1.6 + 1.6 +  1.6 + 0.4 + 1.4 + 1.4 + 1.4 + 7.4 = 18

4.  find the mean of the difference

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3 0
3 years ago
How many solutions does this system have?*
sweet-ann [11.9K]

Answer:

1 solution

Step-by-step explanation:

y =  - 3 \\ y =  -  x - 4 \\  =  >  - 3 =  - x - 4 \\  =  >  - x - 4 + 3 = 0 \\  =  >  - x - 1 = 0 \\  =  >  - x = 1 \\  =  > x =  - 1

4 0
3 years ago
The recommended single dose for a particular drug is 100 mg. How many doses can be obtained from 20 grams of the drug?
Lisa [10]

Answer:

B. 200 doses

Step-by-step explanation:

Given,

1 dose is required for 100 mg,

Since, 1 mg = 0.001 g,

⇒ 100 mg = 0.1 g

⇒ 1 dost is required for 0.1 g,

Thus, the ratio of doses and quantity ( in gram ) is \frac{1}{0.1}=10

Let x be the doses required for 20 grams,

So, the ratio of doses and quantity is \frac{x}{20}

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\implies x=200

Hence, 200 doses can be obtained from 20 grams of the drug.

Option 'B' is correct.

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2 years ago
Find the greatest common factor. Show work!
zvonat [6]

Answer:

4y

Step-by-step explanation:

Because it is the GCF of the numbers and it can't have an exponent since 16y has none.

3 0
2 years ago
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