What is the mean population?

Q: What is a frequency distribution of qualitative data and why is it useful?

A: Frequency distribution: Sometimes an event will be occurred two or more times, the number of…

Q: Test the claim about the population mean, p,

A: Given : n=61 , X-bar=28.3  , σ=3.74 , μ0=30 , α=0.04 Here we want to test the claim that μ=30

Q: Is the sample median always equal to one of the values in the sample? If so, explain why. If not,…

A: Median: The median defines that the middle number of the data. The median is calculated as follows:…

Q: What is the overall mean? What is the mean of Drug 1? What is the mean of Drug 2? What is the mean…

A: Here use sample mean formula

Q: Explain Bionomial distribution with examples?

A: X~Binom(n , p) =========== Formula : P(X =x) = nxpx(1-p)n-x ; x= 0,1,2,..,n

Q: What is the approximate mean of the histogram?(Where does the histogram balance?)

A: Baser on the histogram, the frequencies are 2,2,5,8,3,3,2

Q: Describe how to Convert a Sample Mean to z.

A: z-score denotes the standardized normal score.

Q: Interpret the desciptive statistics

A: The objective is to interpret the descriptive statistics. Descriptive statistics are used to…

Q: How much difference is there between the mean for the treated sample and the mean for the original…

A: Definition Sample Mean x It is the mean of all the values of a sample.   Population μ It is the mean…

Q: Define the term Mean & median? Illustrate their symbols?

A: Mean Mean is the most widely used measure of Central Tendency that is used in Statistical analyses.…

Q: What are requirements for testing a claim about a population mean with a known?

A:

Q: a) Why do you think any serious researcher would use the sample mean as a measure center to estimate…

A: (a) solution

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: What are some examples of sample statistics

A: Sample: A subpart, portion or subgroup is selected taken from the population is known as sample. It…

Q: Explain the meaning of the specified term Population distribution

A:

Q: Estimate the the sample variance

A: Given, n=6 α=1-0.80=0.20 The sample mean and than the sample  variance is obtained as-…

Q: Does the one observed sample mean qualify as a common or a rare outcome? Explain.

A: Sample mean qualify as a common outcome if the difference between the sample mean and the actual or…

Q: Illustrate the mean or expected value, variance and standard deviation

A: given: x f xf (x- x )2 f*(x- x )2 4 1 4 25 25 5 2 10 16 32 8 2 16 1 2 10 2 20 1 2 13 2…

Q: What is the name of this type of sample?

A: In the method of convenience sampling, the individual samples are easily determined and do not…

Q: the sample mean is the best estimate for population mean true or false

A: We have given that  the sample mean is the best estimate for population mean.

Q: When having random numbers what is used SURVEYS OR EXPERIMENTS?

A: Here's the explanation for this is as follows; Note that ,Experiment came from the Latin word…

Q: For a particular population, is the population mean a variable? What about a sample mean?

A: Explanation:Since the population mean is constant, it cannot be variable. Population mean is a…

Q: What is the difference between estimated mean and population mean? Thank you

A: Solution Given the difference between estimated mean and population mean

Q: What is the population mean of the given set of data? {3, 5, 9, 7, 10}

A:

Q: The best point estimator for the population mean is the sample mean. True False

A: TRUE

Q: Product codes in a manufacturing company having 2, 3, or 4 letters are equally likely. What is the…

A: There are two types of distributions, they are discrete and continuous distribution. If all the…

Q: Which county is closest to the mean? What is that mea

A: Mean: x 260797 52063 64160 139088 77889 123817 56681 75682 52598 166881…

Q: What is Population Mean?

A: The population mean is that one measure of the population which can be used to represent an…

Q: What is Statistical Measure of the Amount of Variation in a Population?

A: Standard deviation: The standard deviation indicates by how much each observation differs from a…

Q: What is the mean, variance and Standard Deviation?

A:

Q: What is implied population?

A: For a sampling, we first have to define a population of interest then we have to use a sampling…

Q: Calculate the test statistic,

A: Given that sample size is n = 76 And number of peoples who said they are confident of meeting their…

Q: The best point estimate of population mean is?

A: Best Point estimation requires the use of survey data to measure a single value (also known as a…

Q: The population mean, u, is a measure of

A: According to the given information, we havePopulation mean, μ is given.

Q: Describe about the z TEST FOR A POPULATION MEAN.

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

Q: How do the sample mean and the population mean differ? What is the symbol for each type of mean?

A: Here we have to define  How do the sample mean and the population mean differ? and  What is the…

Q: A mean is known as a statistic if it is computed from the: Opopulation. parameter. sample.

A:

Q: which one is more precise sample variance or population variance

A: We want to tell you which one is more precise.

Q: What symbol is used for the arithmetic mean when it is a sample statistic? What symbol is used when…

A: When we calculate the arithmetic mean of a sample or as a sample statistic, it is represented as x¯.…

Q: Explain about z Test for a Population Mean.

A:

Q: Explain what "statistically significant" mean?

A: Introduction: Statistical significance is a statistical concept, as opposed to practical…

Q: What is mean of the Sampling Distribution of the Mean?

A:

Q: What is the value of the mean square within?

A: What is the value of the mean square within

Q: What is Measures of Variability?

A:

Q: What is Sample Mean?

A: A statistical population is a set of entities from which statistical inferences are to be drawn,…

Q: What is a distribution of means and how it differs from a population distribution?

A: The set of all possible values for a property, together with a mechanism to indicate how relatively…

Q: What is the median of this distribution?

A:

Q: Compute the mean of the following population values: 5, 7, 6, 5, 5. The mean is

A: Mean value is the average value of a data set. The average or mean for a population is computed by…

Q: what happens to the mean as the sample size increases?

A: It is given that the sample size is increasing.