What is the standard deviation of the data?

Q: The scores on a standardized test are normally distributed with a mean of 105 and standard deviation…

A: Here, mean is 105 and standard deviation is 10.

Q: What is the standard deviation on the graph ?

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

A:

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: What do the mean deviation, variance and standard deviation all have in common? How is this common…

A: Mean deviation, standard deviation and variance all measure the spread of the distribution.Mean…

Q: How to find the standard deviation

A: Mean:Mean is a measure of center in case of quantitative data. Mean of a data set is the sum of the…

Q: What if I'm told what the standard deviation is, can I find the variance? What units is standard…

A: Introduction  The questions is about standard deviations. Can we find the variance. And whate units…

Q: The scores on a standardized test are normally distributed with a mean of 80 and standard deviation…

A:

Q: A statistics test has a mean of 60 and a standard deviation of 10 while an accounting test has a…

A: Given information Statistics test Mean µ = 60 Standard deviation σ = 10

Q: The mean of a distribution is 14 and the standard deviation is 5.

A: Given information: The mean of the distribution is 14 and the standard deviation is 5. Formula for…

Q: A commonly cited standard for one-way length (duration, of school bus rides for elementary school…

A: Type II error is the probability of fail to reject the null hypothesis when alternative hypothesis…

Q: Approximately what percentage of normally distributed data will fall within 2 standard deviations…

A: Based on the Concept of Empirical Rule: About 68% of the area under the curve falls within 1…

Q: The variance of a sample of 99 observations equals 81. The standard deviation of the sample equals?

A: From the provided information, The sample variance of 99 observations (s2) = 81

Q: What formula is used to find the standard error of mean?

A: we have to give correct formula to find standard error of mean.

Q: Which of these statements is best?       The variable to be predicted is the independent variable.…

A: Which of these statements is best?       The variable to be predicted is the…

Q: It is possible to have a standard deviation of -1 for some data set? True or False

A: See the below solution

Q: What are the best ways to find the standard deviation?

A: Standard deviation is a measure of variability. It describes how far the data falls from the…

Q: How does one calculate the standard deviation?

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Q: Differentiate between qualitative and quantitative data with examples. What are the limitations of…

A: Qualitative research is aimed at gaining a deep understanding of a specific organization or event,…

Q: The scores on a standardized test are normally distributed with a mean of 90 and standard deviation…

A: The test score is 0.6 standard deviations above the mean is obtained below: From the given…

Q: A student will spend 15 hours average each week in class. If the standard deviation is 2 hours, what…

A: Given that mean=15 and standard deviation = 2 Let, X= number of hours spent by a student in the…

Q: I don't understand how to use the given information to answer the questions about the mean and…

A: Given probability distribution…

Q: How standard deviation affects the power?

A: With increase in standard deviation, The observed point will be located far away from the mean.…

Q: Q3 :- :- if you know the standard deviation = 3 for measured data, what is the variance ?

A: Given in question  Standard deviation = 3

Q: Explain Mean of the Squared Deviations?

A:

Q: Assume that an intelligence test scores are distributed normallt with a mean of 100 and a standard…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: Explain the effect of the standard deviation on power?

A: Six ways to increase the power for the study: Increasing effect size by increasing difference…

Q: Explain why we need to square the deviations from the mean in our calculation of the standard…

A: 3) The deviation formula is, Deviation=Xi-Mean In the formula Xi is individual scores.