answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ehidna [41]
2 years ago
14

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

Mathematics
1 answer:
Zolol [24]2 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.

You might be interested in
If m(x) = x+5/x-1, and n(x) = x-3, which function has the same domain as m of n of x?
mamaluj [8]
Is that the exact question? because the last part doesn't really make sense to me

<span />
4 0
2 years ago
A survey of 132 students is selected randomly on a large university campus. They are asked if they use a laptop in class to take
ddd [48]

Answer:

For 90% CI = (0.428, 0.572)

For 98% CI = (0.399, 0.601)

The confidence interval (and Margin of error) reduces when 90% confidence level is used compared to when 98% confidence level is used.

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

p+/-z√(p(1-p)/n)

Given that;

Proportion p = 66/132 = 0.50

Number of samples n = 132

Confidence level = 90%

z(at 90% confidence) = 1.645

Substituting the values we have;

0.50 +/- 1.645√(0.50(1-0.50)/132)

0.50 +/- 1.645√(0.001893939393)

0.50 +/- 0.071589436011

0.50 +/- 0.072

(0.428, 0.572)

The 90% confidence level estimate of the true population proportion of students who responded "yes" is (0.428, 0.572)

For 90% CI = (0.428, 0.572)

For 98% CI = (0.399, 0.601)

The confidence interval (and Margin of error) reduces when 90% confidence level is used compared to when 98% confidence level is used.

7 0
2 years ago
Maria is making paper flowers as decorations for the fall dance. She has made 40 flowers so far, and she is 16% finished. If she
alexandr1967 [171]

Answer:

the number of additional she needed is 135

Step-by-step explanation:

The computation is shown below:

GIven that

40 flowers of 16%

So for 100% it would be

= 40 ×100 ÷ 16

= 250

Now she needs to make is

= 70% - 16%

= 54%

Now the additional would be

= 250 × 54%

= 135

Hence, the number of additional she needed is 135

5 0
2 years ago
Planes Q and R are parallel. Lines a and b are shown on planes Q and R, respectively.
Vlad [161]

Answer: I have included an image of the correct answer.

They are skew lines

8 0
2 years ago
Read 2 more answers
The percentage of people given an antirheumatoid who suffer severe, moderate, or minor side effects are 11, 20 and 69%, respecti
Snowcat [4.5K]

Answer:2.9235

Step-by-step explanation:

Since 20 people are administered the medicine and;

11% of the 20 people suffer severe i.e 11% of 20 = 2.2 people

20% of them suffer moderate i.e

20% of 20 = 4 people and;

69% of the 20 people suffer minor side i.e

69% of 20 = 13.8 people

Therefore the probability 2, 4, and 14 people will suffer severe, moderate, or minor side effects, respectively will be;

2/2.2 + 4/4 + 14/13.8 (i.e possible outcome/total outcome)

This will give us 2.9235

6 0
2 years ago
Other questions:
  • How many solutions does the equation −3y + 3y + 4 = 4 have?
    14·2 answers
  • Which of the following r-values represents the strongest correlation?
    11·2 answers
  • Use technology or a z-distribution table to find the indicated area.
    14·1 answer
  • Alexis is trying to partition segment ab in the ration 2:3 using a compass
    15·2 answers
  • Which statements about the box plot are correct? Check all that apply.
    9·2 answers
  • Sometimes a change of variable can be used to convert a differential equation y′=f(t,y) into a separable equation. One common ch
    12·1 answer
  • Stuart defines a rhombus as a quadrilateral with 4 congruent sides. Is Stuart's
    13·2 answers
  • A salad made such that the difference between twice the ounces of greens and the ounces of carrots is at least 3. Also, the sum
    11·2 answers
  • Liam says - G) is equivalent to Explain if Liam is correct by completing the
    11·1 answer
  • Liam is constructing a square in which two of its vertices are points A and B. He has already used his straightedge and compass
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!