What well-being score represents the 45 percentile? *

Q: Which value is greater than at most 75% of all scores in a data set?

A: The median is middle value of the observations, above or below which 50% of the observations lie.

Q: What is the test statistic?

A: At Rachel's 11th birthday party, B-girls were timed to see how long ( in seconds ) they could hold…

Q: What is the test Statistics? Of the problem in the picture

A: Given: p0=23=0.67x=25n=40p^=2540=0.625α=0.01

Q: What is an “average” z-score? Explain your answer?

A: A Z-score is a numerical measurement that describes a value's relationship to the mean of a group of…

Q: compute for the 2nd quartile, 7th decile and 75th percentile

A: Given that  We have to find the 2nd quartile, 7th decile, 75th percentile :

Q: What is the difference between mean, median, and mode? Give examples?

A: Mean:The arithmetic mean (also called the mean) is the most commonly used measure of central…

Q: dataset: 8, 3, 8, 4, 5, 6, 8, 8, 7, 8, 9, 7, 5,6, 7, 8, 8, 8, 5, 6, 8 determine what percentage of…

A: The dataset given by, 8,3,8,4,5,6,8,8,7,8,9,7,5,6,7,8,8,8,5,6,8 Formula for percentage of people in…

Q: 75th percentile

A: Scholarship was at a score of 75th percentile Score of Paula is 82 out of 100 ie. 82th percentile

Q: Explain how can we find the corresponding z-score of an area and a percentile.

A:

Q: How do we find the corresponding z-score of an area and a percentile?

A:

Q: How do you find the percentile?

A: Percentile :  A percentile is a term used in statistics to express how a score compares to other…

Q: What is the best estimate of the mean household income in this county?

A:

Q: What is the relationship between area, probability, and relative frequency

A: Probability of an event/event set can be expressed equivalently as area under probability…

Q: Describe the process you would use to estimate Propensity Scores

A:

Q: Using the scores, 69, 72, 73, 76, 77, 78, 81, 96, 98, 99 Show work and explain:   What percentile…

A:

Q: What is the role of displays in statistics?

A: There are mainly two types of displays in statistics, such as, graphical representation and table or…

Q: What is Percentile Rank of an Observation?

A: Percentiles: If the elements in the data set are arranged in ascending order of magnitude, then the…

Q: What is the value of the test statistic, F?

A:

Q: What quartile is equivalent to percentile 75?

A: The 75th percentile is value below which 75% of data observations lie. Note : Since you have asked…

Q: Explain Testing a Single Mean for significance?

A: Z-test for significance of a single mean: The z-test is appropriate when population standard…

Q: accounting examination is 26, how large a sample is needed to estimate the true mean score within 6…

A: HERE GIVEN , n = ??? population standard deviation  =  26  confidence level  = 99%

Q: What type of test would you use to determine if happiness and health are related?

A: Test is that whether happiness and health are related.

Q: find 2nd quartile for given data  12,15,63,98,74,56,39,5,23,45

A:

Q: a. What is the 25th percentile of HDL in patients recelving the placebo? b What is median HDL. in…

A: a. First quartile: First quartile is the median of all the observations that are left to the…

Q: What is level of significance?

A: Level of significance: The significance level is a value used as a criterion for deciding how small…

Q: The first quartile of the data values 45, 48, 31, 48, 50, 30  equals ?

A: Arranging the data into ascending order: 30, 31, 45, 48, 48, 50

Q: Is the 50th percentile a typical value? Explain    which one is larger the mean or the median?…

A: Given a problem and a graph we have to write the answer of the problem and explain using the graph…

Q: Mina is waiting in line at the Department of Motor Vehicles (DMV). Her wait time is in the 85th…

A: It is clearly given in statement that at Department of Motor Vehicles waiting line is Mina wait time…

Q: What is the 40th percentile of wait times for customers calling the help line?

A: Here given  Amount of time customer wait is exponentially distributed with mean 7.5 minutes

Q: You took the English achievement test to obtain college credit in freshman English by examination.…

A: General definition of pth percentile: For whole numbers p(where 1<p<99) , the pth percentile…

Q: What is the percentile rank x=15 and what is the score for 75th percentile?

A: If the we have no of scores is 15 then we have formula for percentile rank as:…

Q: hat is a percentile and how do we plot them on box and whisker plots?

A: Percentile is the value in statistics which divides the population in two groups. The certain…

Q: Exercise 1. If the degree of freedom is 13, what is the 75th percentile of the - distribution?

A: Hello! As you have posted 3 different questions, we are answering the first question. In case you…

Q: What is the 75th Percentile of a data set when the Inter Quartile Range (IQR) is 12.5 and the first…

A:

Q: Joe is conducting a survey to determine the blood types of 100 people who gave blood at a donor…

A: Here, A survey is a method of collecting data from the respondents to collect information for the…

Q: nsumption level represents the 6th percentile? nsumption level represents the 17th percentile?…

A: Here it is given that -  Mean (μ) = 2327 Standard deviation (σ) = 584.3

Q: Chebyshev's Theorem says that at least 95 percent of the data lie within 2 standard devlations of…

A: Chebyshev's theorem states that the proportion of observation is no less than 1-1k2 from the mean.…

Q: The 25th and 75th percentile points

A: Given Data is :

Q: What is the 25th percentile of a χ2 distribution with 20 degrees of freedom? What symbol is used to…

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

Q: ated Mea

A: Designation Age Structure Percentage Male Female Children 0 14 32.425 18060976 17331781 Youth 15…

Q: how to get percentage scores between the mean and the z score

A: I am taking an example to explain this Suppose mean weight of students is 100 kg and Standard…

Q: b. Determine the 82th Percentile value (P82). Provide the exact answer

A: We have given that,  The data set is,  9, 8, 10, 4, 13, 13, 11, 4, 9, 6, 5, 15, 15, 2, 14, 10, 7, 5,…

Q: What is difference between mean, median and mode?

A: Mean: The arithmetic mean (also called the mean) is the most commonly used measure of central…

Q: What is the highest relative score earned on a test?

A:

Q: The inter-quartile range equals the 75th percentile minus the 25th perce Select one: O True O False

A: What is Inter-quartile-range(IQR)?

Q: A parent comes to you and asks the difference between percent correct and the national percentile…

A: Concept: Percentage in simple terms can be difined as a number that is out of 100. Maximum marks are…

Q: Describe about the Studentized Range Statistic.

A: Studentized Range Statistic: The studentized range (q) is a difference between the maximum and…

Q: z = 3 is what percentile?

A:

Q: Your boss wants to use absenteeism rates to predict which employees will most likely quit during the…

A: Statisticians choose the appropriate test statistic with objective to know the rate of leaving the…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.