In cluster sampling, a population is divided into groups then (some) members of some randomly chosen groups are included in the sample. * Gender is alan (ordinal) data. * (Frequency) is the difference between the largest value and smallest value in the data set. * (Mean) can be applied for nominal, ordinal, interval and ratio data,*

Q: Explain what happens when finding the margin of error if all stays the same except the sample size…

A: Solution: The margin of error can be calculated by using the formula:

Q: Does the sample median tend to target the population variance

A: If the original distribution is normal, the sample mean will also be normal, with variance , where n…

Q: Relative Cause Frequency % Pilot error % % % % Other human error Weather Mechanical problems…

A: The calculation done in R software,

Q: How does an outlier affect the mean absolute devlation?

A: Mean absolute deviation is calculated using the formula: MAD = ∑xi - x¯n xi = Input data values x¯ =…

Q: A student wants to determine the proportion of times a spun penny will land on heads. She spins a…

A: Solution: Given that: A student wants to determine the proportion of times a spun penny will land on…

Q: we are going to run a set of descriptive statistics to help describe our sample. For the following…

A: Mean is the average of dataset. It is the sum of observations divided by the total number of…

Q: Explain how bias and variability can be controlled in sampling.

A: Sampling is an important aspect of statistical analysis, and it is essential to control bias and…

Q: Driving under the influence of alcohol (DUI) is a serious offense. The following data give the ages…

A: Class width: Class width = Maximum observation –minimum observation  / Number of class =64-16/5 =9.6…

Q: Define range, interquartile range, variance and standard deviation.

A: Range: The range is the difference between the maximum value and the minimum value. Range = maximum…

Q: How do the Boundaries for the observed sample, Common and Rare Outcomes?

A:

Q: A mother is creating the family budget for next year and wants to come up with a single value to…

A: Mean is the correct option. She should use Mean as the descriptive statistic to calculate the cost…

Q: What sampling techniques should be used while establishing if someone is happy or not?

A: Here we want to establish sampling technique if someone happy or not.

Q: can you give the importance of  work sampling in health care?

A: Given problem Given that   Work Sampling : i) It is a type of sampling technique ii) It determines…

Q: If the outlier is removed, what is the median of the remaining sample data? 12, 26, 30, 15, 22, 4,…

A: Median:                   The median of a set of data is the middlemost number or center value in…

Q: Can the median split a distribution into a 85% : 15% frequency ratio of the observations?

A: Given: split the distribution into a 85% : 15% frequency ratio of the observations

Q: The data represents the number of patients died because of road accident per year for a sample of…

A:

Q: What is Frequency Distribution for Grouped Data?

A:

Q: To draw a boxplot, we need precisely which of the following mean, variance, outliers median, first…

A: In this case, we need to identify the suitable answer for the given statement.

Q: Give 2 examples of Mean in Measure of central tendency to ungrouped data

A: Introduction: It is required to provide two examples of calculating the mean of ungrouped data.

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

A:

Q: Describe about the types of sampling.

A: In simple random sampling, each of the unit is population has equal chance of being selected in the…

Q: Describe a scenario explaining how to find the mean of a sampling distribution and how to calculate…

A:

Q: Why do we have to determine the mean, median, and mode of group data in research? What are its…

A: The central value is taken as a representative of the entire data. This is called a measure of…

Q: Explain about the Sampling Distribution of mean 1 less mean 2.

A:

Q: Is there any skewness suggested by the mean, mode and median of the ungrouped data?

A: Skewness means lack of symmetry. The values of mean, median and mode fall at different points, they…

Q: If a set of exam scores forms a symmetrical distribution, what can you conclude about the students’…

A: The set of exam scores forms a symmetrical distribution.

Q: It is never ethical to throw out an outlier datum present in a dataset. True False

A: Introduction An outlier is an extreme data value. It can be extremely low or extremely high.

Q: THE SALE PRICE OF THE SIX TOWN HOUSES SOLD IN 2020 were…

A: Given Information :

Q: If the highest paid soccer platyer has his salary doubled, which of these will change? Can you…

A: We have to find correct options which will change.

Q: Explain how judgement is used in statistical and non-statistical sampling.

A: The statistical sampling is based on the theory of probability. In statistical sampling each element…

Q: he graph of the waiting time(in seconds) at a red light is shown below on the left with its mean and…

A: Given Information: Mean μ=16.6 Standard deviation σ=12.2 Sample size n=100 is drawn from the…

Q: Explain how a sampling distribution of a sample can be constructed.

A:

Q: Would a graph representing the Average monthly rainfall in toronto" be a representative sample?…

A: A sample refers to a subset of a larger population, and in this case, the population would be all…

Q: When the median is computed for a sample, all values in the data set are * .used True O False O

A: Answer  - True

Q: What is the mean ,mode ,median and inter quartile range

A: If we have been provided with a data set The mean is the average value of the data set which is…

Q: Students from TarlacElementarySchool got scores of91, 91, 99, 94, 94, 92, 93, 92, 94, 95, 89, 92,99,…

A:

Q: Give 2 examples of Median in Measure of central tendency to ungrouped data

A: Median: Median is the middle most value of a set of observations.

Q: Describe what is meant by a sampling unit. Explain why thesampling unit for verifying the occurrence…

A: Sampling unit:  The sampling unit refers as the unit based on the size of the population and aim of…