Use the 68-95-99.7 rule to solve the problem. Scores on a test are normally distributed with a mean of 102 and a standard deviation of 16. What percentage of scores are greater than 134? O 97.5% 95% 5% 2.5%

Use the 68-95-99.7 rule to solve the problem. Scores on a test are normally distributed with a mean of 102 and a standard deviation of 16. What percentage of scores are greater than 134? O 97.5% 95% 5% 2.5%

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: Given a set of data that is skewed-left, there is at least _____ % of the data within 3 standard…

A: From the given information, Consider, As it has been given that data is left skewed as a result one…

Q: Use technology or a z-score table to answer the question. The scores on a memory test are normally…

Q: The table below gives the number of accidents each year at a particular road intersection: 2007 4…

Q: A random sample of 6 vehicles on the highway had their speed checked. The speeds, in miles per hour,…

A: It is an important part of statistics . It is widely used .

Q: OA. 1.63 O B. 1.45 OC. -1.63 O D. none of these is correct

A: mean μ =94standard deviation σ = 16we know thatz = x - μ /σ

Q: What does the z-score of a data point tell us? O How many standard deviation a number is from the…

A: Here we have to identify the correct statement

Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

Q: 5

A: The dependent t-test (called the paired-samples t-test) compares the means between two related…

Q: What information can you get from a person’s z-score? a. Whether they are above or below the mean b.…

A: Solution

Q: Which of the following z scores are above the mean? Choose all that apply. 0 1.35…

A: For normal distribution, the mean is equal to 0

Q: A distribution of values is normal with a mean of 110 and a standard deviation of 2. Find the…

A: It is given that the mean is 110 and the standard deviation is 2.

Q: population consists of values 4, 8, 12, and 16. What is the standard deviation? (approximate value)…

A: Given sample values - 4, 8, 12, 16 Size = N = 4 Mean = μ=∑xN=4010=4

Q: Apply Chebyshev’s rule to solve Exercises. A quantitative data set has mean 25 and standard…

A: a)The mean is 25 and standard deviation is 5.

Q: Apply Chebyshev’s rule to solve Exercises. A quantitative data set has mean 10 and standard…

A: Use chebychev’s rulea)At least 75% of the observations lie betweenFirst, calculate kThe k is,

Q: Given a set of data that is skewed-right, there is at least % of the data within 3 standard…

A: Given

Q: entrance examinations are normally distributed with a mean of 75 and a standard deviation of 10.…

A: X~N( μ , ?) μ=75 , ?=10 Z-score =( x - μ )/?

Q: The scores of the students in the final examination are normally distributed with a mean of 82 and a…

A: Given M=mean=82, standard deviations σ=6 P(X<75)=?

Q: 1. A survey of 1000 women ages 20 to 30 found that their heights were normally distributed, with a…

A: GivenN=1000Mean(μ)=65standard deviation(σ)=2.5

Q: a variable of a population has a mean of 73 and a standard deviation of 36. a. Identify the sampling…

A: Population mean =73Standard deviation =36We have to finda..The distribution of sample mean if sample…

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 1979 votes per district…

A: This question required more precise answers, Hence I will use excel to solve this question. Note:…

Q: Can be interpreted tandard deviation Bayes factor as the size of the differ units.

A: The statement is the size of the difference between means in standard deviation unit Effect size is…

Q: A distribution of values is normal with a mean of 90 and a standard deviation of 3. Find the…

Q: 18. Calculate the ±3 standard deviation range for the mean of 15.7 and S

A: Mean=15.7 Standard deviation=4.2

Q: A population has a mean μ = 82 and a standard deviation = 24. Find the mean and standard deviation…

A: Given that the distribution is normal distribution. Mean = 82 Standard deviation = 24 Sample size =…

Q: Scores on an aptitude test are normally distributed with a mean of 1000 and standard deviation of…

A: It is give that the value of mean is 1000 and standard deviation is 120. If 1,590,000 student take…

Q: Martha has a raw score of 36 and wants to calculate the z-score. What other information does she…

A: We have given that Row score x = 36 We have given that. For Z-score =( x - μ )/?

Q: Which average is affected most by extreme values Oa. Median O b. Arithmetic Mean OC. Mode Od.…

A: Median is the middle-most value of the sorted data. Removing extreme values does not affect much the…

Q: A large group of students took a statistics test. The mean score, from the scale of 100, was 74.5…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: A population has a mean u = 86 and a standard deviation o = 28. Find the mean and standard deviation…

Q: Explain what the symbols d and so represent. What does the symbol d represent? A. The difference…

A: We have to identify where dbar and sd used .

Q: What does Chebyshev's rule say about the percentage of observations in any data set that lie within…

A: The Chebeyshevv's inequality is stated as, for a random variable, X with finite mean, μ and…

Q: A statistician uses which of these values to calculate the estimated standard error (SM) when…

Q: Lengths of pregnancies are normally distributed with a mean of 265 days and a standard deviation of…

A: Obtain the length of the pregnancy that separates the premature babies from those that are not…

Q: Temperatures in June in the Paradise City are distributed nearly normally with mean 85 degrees and…

A: It is given that Mean, μ = 85 Standard deviation, σ = 4

Q: 8-94. Consider the bottle-wall thickness measurements described in Exercise 8-42. (a) Compute a 90%…

A: Given n=25 x¯=4.05 s=0.08

Q: Assume you have taken 125 samples of size 81 each from a population. The population variance is 64.…

A: answer is 0.88

Q: Q1 Part 1.What symbols are used for the mean and standard deviation for a sample in a research…

A: Q1 The symbol of mean for for a sample in a research report is denoted by m (lowercase letter) and…

Q: Calculate the standard error of the mean. A.+0.0167 C. +0.0347 B. +0.0247 D. +0.0055

A: We have given that following table Distance (X) Number of measurements (f) 740.53 4 740.59 3…

Q: is the range of tree height within one standard deviation of the mean? Wilat O 35 to 75 O 5 to 105 O…

A: We have given that, The hights of the tree are, 31, 41, 64, 107, 43, 32, 39, 41, 55, 39, 104, 53, 65…

Q: A population has a mean u=79 and a standard deviation o = 12. Find the mean and standard deviation…

A: Mean = 79 Standard deviation = 12 Sample size, n = 36

Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

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

Eimpirical Rule:

VIEW

Calculation:

VIEW

Answer:

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Point Estimation, Limit Theorems, Approximations, and Bounds$

Learn more about

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

Similar questions

The standard deviation of the scores: 2, 1, 1, 8 is O 1.71 2 2.92 O.8.5
The top 16 winning scores for NFL games are listed below. Find the mean score. Video Tutorial: How to find the mean on a TI-84 72 54 52 54 70 51 56 58 58 52 51 63 51 48 52 61 A. 54 B. 57.1 C. 63.2 D. 56.4
one z-score unit is equivalent to ______ of the distribution. a. the variance b. the range c. the standard deviation d. the mean e. the correlation coefficient
Scores on an aptitude test are normally distributed with a mean of 960 and standard deviation of 120. Use the Cumulative Z-Score Table to answer the following questions. Write your answer rounded to the nearest whole number. If 1,570,000 students take the test.. how many would you expect to score above 1224? students ...how many would you expect to score above 972? students ...how many would you expect to score between 972 and 1224? students
go A particular fruit's weights are normally distributed, with a mean of 689 grams and a standard deviation of 36 grams. If you pick 4 fruits at random, then 19% of the time, their mean weight will be greater than how many grams? Answer in the nearest gram. W D DOLL Disp
answer only c-e In the 1992 presidential election, Alaska's 40 election districts averaged 1939 votes per district for President Clinton. The standard deviation was 550. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places.a. What is the distribution of X? X ~ N(40, 550)c. Find the probability that a randomly selected district had fewer than 1961 votes for President Clinton. ___________d. Find the probability that a randomly selected district had between 1843 and 2007 votes for President Clinton. __________e. Find the first quartile for votes for President Clinton. Round your answer to the nearest whole number. _________
When calculating the test statistic for a one sample t test, the denominator term in the formula is __________ a. the estimated SEM b. the estimated standard error of mean differences c. the mean difference d. the deviation score
n the 1992 presidential election, Alaska's 40 election districts averaged 2111 votes per district for President Clinton. The standard deviation was 551. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places.a. What is the distribution of X? X ~ N(,)b. Is 2111 a population mean or a sample mean? Select an answer Population Mean Sample Mean c. Find the probability that a randomly selected district had fewer than 2134 votes for President Clinton. d. Find the probability that a randomly selected district had between 2048 and 2241 votes for President Clinton. e. Find the first quartile for votes for President Clinton. Round your answer to the nearest whole number.
A population has a mean μ = 70 and a standard deviation o=36. Find the mean and standard deviation of a sampling distribution of sample means with sample size n = 81. H=(Simplify your answer.) = (Simplify your answer.)
A population has a mean u =78 and a standard deviation o = 24. Find the mean and standard deviation of a sampling distribution of sample means with sample size n = 36. H; =(Simplify your answer.) (Simplify your answer.)
What is the standard deviation?
The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. Use the frequency distribution to approximate the population mean and population standard deviation. Compare these results to the actual mean u = $1.506 and standard deviation o = $1.004. Click the icon to view the frequency distribution for the tax rates. Frequency distribution of cigarette tax rates Tax Rate Frequency 0.00–0.49 7 0.50-0.99 14 1.00–1.49 7 1.50–1.99 2.00–2.49 5 2.50–2.99 5 3.00–3.49 3.50–3.99 1 4.00-4.49 1