X P(x) 1 1/5 2 1/5 3 1/5 4 1/5 5 1/5 6 1/5

Q: number 4

A: A frequency table is used to understand the number of times an observation occurs. The cumulative…

Q: Find the sample standard deviation.

A: Given that:n= 12  Sample size

Q: Define variability and explain why it is an important concept in statistics. What are the three…

A: Variability is a measure of spread or dispersion. In a way it tell us the spread of each data point…

Q: been reported that 73% of federal government employees use e-mail. If a sample of 225 al government…

A: According to the provided information, Sample size (n) = 225 Probability (p) = 0.73

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: Coach Best serve test to his volleyball class.   There were 22 students in the class.  What would be…

A: Given  N=22 Mean=12.5 Median=11 Mode=11 ∑x=274 s (standard deviation) = 2.3

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

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: Which measure would you use to explore the dispersion of your data? Choose all. variance mean mode…

A: We have given that,  Which measure would you use to explore the dispersion of your data?

Q: Compute the mean, median, Variance, and the standard deviation for the data below: 3,2 ,3, 4, 3…

A:

Q: If you chose to compute a mean for a variable, which measure of variability would you most likely…

A:

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: What is the standard deviation of the average fill volume of 100 cans?

A: We have given that the fill volume of cans are independent, normal random variables. The standard…

Q: Consider the variable, type of birth control practiced (e.g., an IUD, condoms, none, etc). Which…

A:

Q: What is the difference? Please lay out the rules.

A: Hypothesis is the act in statistics in which analyst check the assumptions regarding the population…

Q: What level of measurement do the variance and standard deviation assume?

A: Variance and standard Deviation tells about the spread or variation in the dataWe calculate the…

Q: Describe about mean square between.

A: In ANOVA, “SS” stands for “sum of squares”, “df” stands for degrees of freedom, F is for the test…

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: In the case of research data analysis which one is the best? SD (standard deviation)  or ANOVA?

A: Statistical methods involve  planning, designing, collection of data, analyzing the data,…

Q: Describe the importance of standard deviation.

A: As per our guidelines, we are allowed to answer first  question only. Thanks   1. Describe the…

Q: What are the means and standard deviation of the list below.

A:

Q: 9% of US employees who are late for work blame Oversleeping.  You randomly select 4 US employees who…

A: The value of mean is obtained below: From the given information, the probability of success (P) is…

Q: A health professional is whether stress level before a routine practice session can be used to…

A: Given : A health professional is whether stress level before a routine practice session can be used…

Q: Best way to explain the difference between variance and standard deviation?

A:

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

A: Variance, standard deviation and mean deviation:Variance is the average of squared difference of…

Q: How does a nonzero constant number c change a standard deviation problem?

A: Standard deviation is independent of change of origin but it affects by the change of scale.

Q: Calculate Variance, Standard deviation, and Coefficient of Variation (CV) of the students heights.

A: Let X be the height of the student. A 179 174 156 171 170 165 170 157 155…