ppose Y follows binomial distribution with mean=20 and variance =7, what is the values a ccess, p? a. 0.65 b. 0.35 E. 0 0.7 1. 0.3

Q: 12. The red blood cell count for a population of adult males can be approximated by a normal…

A: We have given that  X~N( μ , ?^2 )    μ = 5.4    , ? = 0.4   Z-score =( x - μ )/?  ,

Q: Researchers conducting a study of 15 children with a diagnosis of ADHD wish to assess whether the…

A: The BMI of 15 children is given.

Q: In a normal distribution, what does the variance measure?

A: The normal distribution is a symmetric distribution that has a bell-shaped curve.

Q: Determine the variability of your data set (standard deviation), and the uncertainty of the mean.

A: In variable data set the single data value has an uncertainty that is equal to the standard…

Q: QUESTION 6 Given an x-mean of 15 and a y-mean of 12.2, calculate the crossproduct of x=15 and y=8.

A: When x=15 and y=8 Crrosproduct =x*y = 15*8

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: 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: In which distribution shape does the Standard Deviation Rule apply?

A:

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

A:

Q: If the t-statistic for a variable is -1.74, is the variable statistically significant?   No   Yes

A: If the t-statistic for a variable is -1.74, is the variable statistically significant? Explanation:…

Q: Which of the following levels of variability (standard deviation or variance) would most likely…

A: The platykurtic curve has shorter peak and thinner tail compared to normal distribution. The excess…

Q: I am trying to determine the variance, standard deviation and the CV for a set of data. The data…

A: Descriptive statistics are referred to as the summary statistics.

Q: alculate (by hand) sample variance (SD2) and sample standard deviation (SD) of the distribution:…

A: The given data is 6, 8, 39, 36, 2, 36, 2, 20

Q: mean length of 25 cm. Because of the variability in the manufacturing​ process, the lengths of the…

A: Population mean μ =25 Population standard deviation =0.08

Q: When the population is N=9 and the scores are 4,2,0,5,3,2,1,7,3 what is the SS, variance and…

A:

Q: We have a distribution with a mean of ? = 78.0 and ? = 12.5. Find the raw score equivalents for the…

A: We have given that.   X~N( μ , ?^2 )   μ =78 , ? =12.5   Z-score =( x - μ )/?   NOTE:- According to…

Q: The commute tỉme for Cypress College students who drive from their home to the college follows a…

A: Here, µ = 26 and σ = 8.

Q: We have a distribution with a mean of ? = 35 and ? = 3.5. Find the raw score equivalents for the…

A:

Q: Suppose that water usages in American showers are normally distributed, with an average shower using…

A: Given: mean = 17.1, SD = 3.5

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.