Discuss the standard deviation obtained from the results. What does standard deviation generally show?

Q: What are the means? The standard deviations? Compare the mean with the standard deviation for each…

A: Given the data of 21 states in the East and Midwest collected by U.S. Census Bureau for studying the…

Q: The mean score on a driving exam for a group of​ driver's education students is 60 ​points, with a…

A: Solution:From the given information, k value is 22, standard deviation of points is 4 and mean…

Q: Scores on a Literature test have an average of 80 with a standard deviation of 6. What is the…

A: Solution: Let X be the score on a Literature test. From given information, X has mean µ=80 and a…

Q: male 9 male 6 male 7 male male 8 male 6 male 8 male 7 male 9 male male 7 male 8 male 5 male 9 male 7…

A: We have given the data on Gender and their hours of sleep. We have to find the mean and standard…

Q: Scores on a test have a mean of 86 and a standard deviation of 13. Jerrica has a score of 94.…

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Q: Scores on a history test have average of 55 with standard deviation of 10. What is the probability a…

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Q: In some reports the mean land coeefficient of variation are given.  For instance, one report gives…

A: Given ,         Average X=2.2and coefficient of variation C.V=2.9 %

Q: can you find the mean and standard deviation?

A: Let the male data set is denoted by x, then the mean is given by the formula x¯=∑xxn. Where, the…

Q: The mean of the population is 50. The standard deviation is 10. (b) if a person's  percentile rank…

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Q: Can you find the mean and the standard deviation with this data?

A: Given: Data on Index finger length for female. Step-by-step procedure to obtain the mean and the…

Q: Scores on a common final exam are normally distributed with a mean of 66 and a standard deviation of…

A:

Q: vm9.2 3 A company produces steel rods. The lengths of the steel rods are normally distributed with a…

A: The given values are:Mean (μ) = 115 cmStandard deviation (σ) = 1.8 cmNumber of steel rods in a…

Q: Discuss/explain the differences between mean and mean deviation. Give an example of each of them.

A: Mean and mean deviation are two important measures used in Statistics. Though, many people confuse…

Q: ONE SAMPLE t-Test exercise: Pushups-comparing female college students average to female national…

A: Given, Give test a sample of female college students. Use their sample mean to estimate the…

Q: A math teacher claims that she has developed a review course that increases the scores of students…

A:

Q: A company sells printers with a mean life of 2 years (24 months) and a standard deviation of 4…

A: GIVEN: mean = 24 months           standard deviation = 4 months

Q: Word-e and Talk20 are two social media apps in which users can post messages in text. The character…

A: Given information- For Lena’s post- Population mean, µ = 65 Population standard deviation, σ = 27…

Q: Cardiovascular Disease Obesity is an important determinant of cardiovascular disease because it…

A: Given information: The SBP is normally distributed such that, Mean = 124 mm Hg, and standard…

Q: Two six-sided dice are rolled and the random variable x is the sum of the values produced by each…

A: As per the ques we have Two six-sided dice are rolled. X is the sum of the values produced by each…

Q: What information can you get from a person’s z-score? Whether they are closer or farther from the…

A: Given that, What information can you get from a person’s z-score? Whether they are closer or…

Q: (a) Is this an observational study or a designed experiment? Why? O A. This is an observational…

A: The researcher conducts a study to measure the walking speed of random travelers for departure and…

Q: How to find standar deviation and an example

A: The formula for standard deviation can be defined as:

Q: facing a shortage the student activity council decides to reduce funding for each of it's student…

A: Given : facing a shortage the student activity council decides to reduce funding for each of it's…

Q: a) What is meant by standard deviation? Discuss and illustrate with an example. b) The larger the…

A: Standard deviation or sd measures variability of data in statistical analysis.

Q: How do you find the p-values of (b.) and (c.)?? As well as how to find (d.)??

A: Given Information: Sample size n=14 Sample mean x¯=1.2

Q: Quadrat Number 1 2 3 4 5 6 7 8 9 10 Cheerio count 10 8 6…

A: According to the given information in this question We need to calculate the standard deviation

Q: Q scores based on the Wechsler Adult Intelligence Scale (WAIS) are assumed to be normally…

A: Given data,Mean μ=100standard deviation σ=15Score is x=125z-score=?

Q: Time in surgery: Records at a hospital show that a certain surgical procedure takes an average of…

A: Given that: Population mean, μ=162.2 Population standard deviation, σ=6.6

Q: A sociologist claims that children spent more time watching television in 1981 than children do…

A: Mean is the number of observations divided by the total number of observations:   1981 Recently…

Q: The is NOT a measure of central tendency, and the is NOT a measure of variation. range median mean…

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Q: Scores on the verbal Graduate Record Exam (GRE) are normally distributed with a mean of 600 and a…

A: 68-95-99.7-rule: Let X be an observation from a normal distribution, having mean µ and standard…

Q: 4. Calculate the variance and standard deviation for the students score data. Score 10-14 15-19…

A: (4) Obtain the value of the standard deviation for the students score data. The value of the…

Q: Score for the California Peace Officer Standards and Training test are normally distributed, with a…

A: Given X is normal Distributed with mean µ = 69.6 and standard deviation σ = 11.3 now will use…

Q: Pumpkins from a local farmer have a mean weight of 16 pounds with a standard deviation of 2.5…

A: Given information: It is given that, Pumpkins from a local farmer have a mean weight of µ = 16…

Q: ONLY ANSWER QUESTION NUMBER 3 Answer for question 3: 3. chi-square = 7.997, Do not reject Ho; no…

A: We have to test hypothesis for the variance of milenge per gallon of cars not fitted with device 175…

Q: If 5 is added to every observation in the data, then the standard deviation of the resulting…

A: we have to identify statement is true or false.  statement : is 5 is added to every observation in…

Q: Scores in a particular Mathematics test are normally distributed with mean of 175 and standard…

A: Scores in a particular Mathematics test are normally distributed with mean of 175 and standard…

Q: Animals of a given weight are operated on in a veterinary hospital. The dose of anesthetic A (in mg)…

A: a. The dose “D” that the vet should administer, in order that 99.9% of animals will be suitably…