Table of z-Scores and Percentilesz-Scores and Percentilesz-ScorePercentilez-ScorePercentilez-Score Percentilez-Score-4.00.003-1.015.870.050.001.1-3.50.02-09517110.0551.991.2-3.00.13-0.9018.410.1053.981.3-2.90.19-0.8519.770.1555.961.4-2.80.26-0.8021.190.2057931.5-2.70.35-0.7522.660.2559.871.6-2.60.47-0.7024.200.3061.791.7-2.50.62-0.6525.780.3563.681.8-2.40.82-0.6027430.4065.541.9-2.31.07-0.5529.120.4567362.0-2.21.39-0.5030.850.5069.152.1-2.11.79-0.4532.640.5570.882.2-2.02.28-0.4034.460.6072.572.3-1.92.87-0.3536.320.6574.222.4-1.83.59-0.3038.210.7075.802.5-1.74.46-0.2540.130.7577342.6-1.65.48-0.2042.070.8078.812.7-1.56.68-0.1544.040.8580.232.8-1.48.08-0.1046.020.9081.592.9-1.39.68-0.0548.010.9582.893.0-1.211.510.050.001.084.133.5PrintDone Use a table of z-scores and percentiles to find the percentage of data items in a normaldistribution that lie between the following two z-scores.z= -2 and z= -0.5Click the icon to view a table of z-scores and percentiles.O A. 30.85%O B. 28.57%O C. 2.28%D. 69.15%

Answered: Image /qna-images/answer/6841beb4-dcb2-4003-a082-1353733a516f.jpg

Use a table of z-scores and percentiles to find the percentage of data items in a normal distribution that lie between the following two z-scores. z= -2 and z= -0.5 Click the icon to view a table of z-scores and percentiles. O A. 30.85% O B. 28.57% O C. 2.28% D. 69.15%

Use a table of z-scores and percentiles to find the percentage of data items in a normal distribution that lie between the following two z-scores. z= -2 and z= -0.5 Click the icon to view a table of z-scores and percentiles. O A. 30.85% O B. 28.57% O C. 2.28% D. 69.15%

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 20PFA

See similar textbooks

Related questions

Q: For a normal distribution, find the percent of scores that lie between the scores having z values of…

Q: Find the following percentile and percentile ranks for a normal distribution with a mean of μ = 120…

Q: 3. For the distribution in the following table, what is the 50" percentile? X 9. c% 100% 80% 50% 25%…

A: 3.

Q: The per capita energy consumption level (in kilowatt-hours) in a certain country for a recent year…

A: a) The consumption level that represents the 9th percentile is, Hence, the consumption level that…

Q: Find each of the requested values for the distribution shown in the following table. (a) What score…

A: Percentile Rank (PR): It is the measure of the relative performance, where it is the percentage of…

Q: O c. They are an attempt to represent the underlying population distribution

A: Statistical populations tend to trace the empirical distribution: statistical distribution -…

Q: Exhibit 1 Stem-and-leaf of Data: Amount of Money earned in a day in dollars Leaf Unit 10 N = 59 3…

A: Note: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: 2. For a standard normal distribution, find the percentage of data that are between 3 standard…

A: 68% area cover from mean-1standard deviation to mean+1standard deviation 95% area cover from…

Q: What proportion of a normal distribution is located between each of the following z-score…

A: Given that, Normal distribution is given.

Q: The per capita energy consumption level (in kilowatt-hours) in a certain country for a recent year…

A: Givenμ=2332σ=570.5

Q: "In a data set of exam scores, the mean is found to be 32 and the median is a 20. What type of…

A: The given information is, Mean = 32 Median = 20

Q: In a normal distribution, percent of the data are above the mean, and percent of the data are below…

A: Empirical rule: For a normal distribution, the approximate values that fall in the specified…

Q: If a set of data is normally distributed, what percent of the data falls between a z- score of -090…

Q: Find the values of the 60th, 70th, and 80th percentiles of a normal distribution for which Mean and…

A: Given: mean =μ =10 standard deviation = σ= 10

Q: c) What percent of the observations in a distribution lie between the first quartile and the hird…

A: IN quartiles, the number of quartiles arranged in a manner described below:

Q: For the distribution in the following table, what is the percentile rank for X = 8.5? X…

Q: A score below which a specific percentage of a distribution falls is referred to as the a) Mode b)…

A: Solution: Here, it is to find which definition belongs to a statement “a score below which a…

Q: What proportion of a normal distribution is located between the mean and z= -1.56? (a) .9406 (b)…

A: Z score = -1.56

Q: In a normal distribution, what z-score cuts off the top 95% of the distribution? a. z = 1.65 b. z =…

A: Given the top 95% of the distribution

Q: For the distribution in the following table, what is the 50" percentile? X c% 100% 80% 9. 8. 7 50%…

A: The pth percentile of a set of observations is the value below which, p% or (p/100) proportion of…

Q: A professor in the psychology department would like to determine whether there has been a…

Q: In a normal distribution, about what percent of the data lies within one, two, and three standard…

A: We have to determine the percentage between (mean - SD, mean + SD), (mean - 2SD, mean + 2SD) and…

Q: Find the scores one, two, and three standard deviations above and below the mean, given the…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: In a normal distribution, what z-score value separates the highest 90% of the scores from the rest…

A: A standard normal variable z follows normal distribution with mean 0 and standard deviation 1.

Q: Use the standand normal distribution table to determine the percent of data less than z= 1.53 The…

A: P(z<1.53)=?

Q: The per capita energy consumption level (in kilowatt-hours) in a certain country for a recent year…

A: The mean is 2260 and the standard deviation is 581.9.

Q: Q9 For the distribution table below, calculate the second quartile * Class Frequency 50-69 3 70-89 7…

Q: percentile rank for X = 45?

A: Percentile Rank: The percentile rank of a score is the percentage of scores in its frequency…

Q: Draw a vertical line through a normal distribution for each of the following z-score locations.…

A: 1(a) The provided z value is 1.00 for which the graph is shown below,

Q: For the standard normal curve, find the z-score that corresponds to the 90" percentile. Click to…

Q: The following frequency distribution analyzes the scores on a test. Find the mean, standard…

A: Given data and calculation is shown Scores(x) Number of students(f) fx fx2 10 2 20 200 15 8…

Q: Find each of the following percentile points under the normal curve. 1. P98 2. P90 3. P65 4. P42 5.…

A: The mean and standard deviation of the standard normal distribution are 0 and 1, respectively.

Q: The following graph shows that the normal distribution A has greater variability than the normal…

A: Solution Z be standard normal variate with mean 0 and sd 1

Q: Use the table below to find the percentage of data items in a normal distribution that lie between z…

A: The question is based on a standard normal dist. Given : The percentile for z = 0.4 is 65.54 that…

Q: Use the standand normal distribution table to determine the percent of data between z= -1.91 and z…

Q: if its 80th percentile is the value 160, what is the value that corresponds to its 20th percentile

A: Given, Mean, μ = 140 80th percentile is the value 160. x = 160

Q: Q - 3 From the following distribution, determine the quartile deviation. Height ( inches) No. of…

A: Given that, Height (inches) 30 35 40 45 50 No. Of students 5 15 20 12 8 We need to find the…

Q: The following stem-and-leaf plot represents scores on a university psychology test. If one more…

A: Given : stem - leaf plot represent score of a university psychology test. To find : Expected score?

Q: Use the table below to find the percentage of data items in a normal distribution that lie a. below…

A: Given that,Z score = -1.4

Q: What proportion of a normal distribution is located between each of the following z-score…

Q: The midterm exam grades of an engineering course were used to create the following stem and leaf…

A: We want to calculate the third quartile

Q: Draw a vertical line through a normal distribution for each of the following z-score locations. Find…

A: a) z = 1.80

Q: Q. Calculate the mean, median, standard deviation, variance, coefficient of variation, and RSD, for…

A: Obtain the value of mean. The value of mean is obtained below as follows: Use EXCEL Procedure…

Q: Find each value requested for the distribution of scores in the following table. а. п b. ΣΧ c. EX? f…

Q: Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given…

A: We have given that data 1950,1650,1800,1650,1450,1250,1650,1200,1250,1550,1650,1100 Mean= sum of all…

Q: Exhibit 1 Stem-and-leaf of Data: Amount of Money earned in a day in dollars Leaf Unit = 10 N = * 2 2…

A: Stem-and-leaf data is given with leaf unit 10.

Q: Q1 For the tabulated data, find the (a) mean, (b) median, (c) mode, (d) standard deviation. Classes…

A: The table helps to find the value mean, median, mode and standard deviation. classes Frequency,fi…

Q: For the distribution in the following table, what is the percentile rank for X = 29.5? c% 30-34 100%…

A: * ANSWER :- Given that, The distribution table is

Concept explainers

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.

Question

100%

Table of z-Scores and Percentiles
z-Scores and Percentiles
z-Score
Percentile
z-Score
Percentile
z-Score Percentile
z-Score
-4.0
0.003
-1.0
15.87
0.0
50.00
1.1
-3.5
0.02
-095
1711
0.05
51.99
1.2
-3.0
0.13
-0.90
18.41
0.10
53.98
1.3
-2.9
0.19
-0.85
19.77
0.15
55.96
1.4
-2.8
0.26
-0.80
21.19
0.20
5793
1.5
-2.7
0.35
-0.75
22.66
0.25
59.87
1.6
-2.6
0.47
-0.70
24.20
0.30
61.79
1.7
-2.5
0.62
-0.65
25.78
0.35
63.68
1.8
-2.4
0.82
-0.60
2743
0.40
65.54
1.9
-2.3
1.07
-0.55
29.12
0.45
6736
2.0
-2.2
1.39
-0.50
30.85
0.50
69.15
2.1
-2.1
1.79
-0.45
32.64
0.55
70.88
2.2
-2.0
2.28
-0.40
34.46
0.60
72.57
2.3
-1.9
2.87
-0.35
36.32
0.65
74.22
2.4
-1.8
3.59
-0.30
38.21
0.70
75.80
2.5
-1.7
4.46
-0.25
40.13
0.75
7734
2.6
-1.6
5.48
-0.20
42.07
0.80
78.81
2.7
-1.5
6.68
-0.15
44.04
0.85
80.23
2.8
-1.4
8.08
-0.10
46.02
0.90
81.59
2.9
-1.3
9.68
-0.05
48.01
0.95
82.89
3.0
-1.2
11.51
0.0
50.00
1.0
84.13
3.5
Print
Done

Use a table of z-scores and percentiles to find the percentage of data items in a normal
distribution that lie between the following two z-scores.
z= -2 and z= -0.5
Click the icon to view a table of z-scores and percentiles.
O A. 30.85%
O B. 28.57%
O C. 2.28%
D. 69.15%

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Basics of Inferential Statistics$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.

Recommended textbooks for you

Glencoe Algebra 1, Student Edition, 9780079039897…

Algebra

ISBN:

9780079039897

Author:

Carter

Publisher:

McGraw Hill