Construct a point estimate of p. What is the standard error of your point estimate?

Q: can you put an interpretation on my solution (mean, median and mode)?

A:

Q: you have been assigned the task of conducting a survey to study prescription medication purchases of…

A: Given: Confidence Level = 0.95

Q: There are 3 kinds of estimation approaches

A: There are more than 3 kinds of estimation approaches like as  Maximum likelihood Method ,  Method of…

Q: Suppose that you are constructing a survey of average student loan debt. You decide that instead of…

A: Formula for standard error of mean is, SE=Population standard deviationsample size For sample size…

Q: When data is normally distributed the mean equals the median True False

A: Normal distribution

Q: Between the mean and median, determine which would be a better estimator given that a sample…

A: The sample mean is, x¯=∑xn=3+8+26+14+125=635=12.6 The data in the ascending order is 3, 8, 12, 14,…

Q: Is an extreme observation necessarily an outlier? Explain your answer.

A: to find:  justify whether extreme observation an outlier or not.

Q: ) What is the point estimate for the percent who want to change the town’s name? (b) What is the…

A: We can solve the problem as follows

Q: A quantitative data set has 22 observations  when arranged in descending order what is the value of…

A: The quantitative data set has 22 observations.

Q: why the median is reliable to report as the middle value of the data than the mean when there are…

A: The mean is the average value of the data set. It is calculated by summing up all the observations…

Q: Why does a point estimate for μ tend to be inaccurate?

A: Point estimate: Point estimate is the singles value for the population parameter, which is obtained…

Q: 5. A researcher believes that the mean starting salary of civil engineers is less than the mean…

A:

Q: Do you agree that the standard deviation can measure variable relationships? Explain

A: The term standard deviation was introduced by karl pearsons in 1893. It is one of the most commonly…

Q: Consider taking a point estimate from a randomly selected population of 120 students with a number…

A: The population is defined as a whole set of observations. It is difficult to deal with,…

Q: What are the limitations of the mean

A: A.M is a ratio of sum of observations to the number of observations.

Q: What is the key property of Standard Error of Estimate?

A: Introduction: The standard error is a measure of dispersion, based on the sampling distribution of…

Q: The mean of a distribution is 291, while the median is 217. Which of these statements is likely to…

A:

Q: What method would you use to approximate the percent of women who lie within 2 standard deviations…

A: Given that,   Number of movies(x) frequency(f) f*x 20 25 500 21 10 210…

Q: is an outlier?

A: a) Outlier: The Observation which lies outside the control limit is called an outlier. an outlier is…

Q: What is the standard error of the point estimate vou calculated for the previous question?

A: We have given that  Sample size n= 1000 Favorable cases x= 89 Sample proportion p^=x/n = 89/1000 =…

Q: For the Facebook data provided, find the mean, median, and midrange for hours online/week and number…

A: Given:

Q: Draw a left skewed curve. Is this a negative or positive curve? Identify where you would expect the…

A:

Q: Estimate the mean of the distribution.

A: From the given histogram, we are considering the approximate frequency values: Class interval…

Q: How to calculate the median of a data

A: The median can be defined as the middle value of the data set or distribution. The median for the…

Q: Q4:- if you know that data ( 12, 10,12,10, 10,6) find the :- Mode, median, mean, variance and…

A:

Q: Determine whether the statement is true or false.   To estimate the value of​ p, the population…

A: Determine whether the statement is true or false.   To estimate the value of​ p, the population…

Q: Is the data point, P, an outlier, an influential point, both, or neither? 12 Influential point Both…

A: An influential point is an outlier that affects the slope of the regression line. An influential…

Q: Explain TWO strengths in using mean as a measure of central tendency.

A: Data with regard to a single variable is called univariate data. Generally, frequency distributions…

Q: Determine whether the following statement is true or false. If it is false, rewrite it as a true…

A: The mean is the average of the observations.

Q: What is the point estimator of the population proportion, p

A: Point estimator is a statistic that is used to estimate the population parameter.

Q: What is Standard Error of Estimate?

A: Standard error: The standard error of the estimate is a measure of the accuracy of predictions. The…

Q: Is a point estimate a parameter or statistic?

A: here use definition of given term

Q: What is the standard error of the mean?

A: Standard error: Standard error is a measure which explains how accurate are the sample means to…

Q: Calculate the probable outlier data points.

A: Lower quartile = 13 Upper quartile = 24.5

Q: what is the distribution of the coefficient of variation?

A: A coefficient of variance is used to determine the precision of an estimated value. It is primarily…

Q: A test statistic works like a Z-score in that it measures the distance between ________________ and…

A: Consider that the population mean is µ and the sample mean is x̅ .

Q: Explain Forecast Uncertainty and Forecast Intervals?

A: Forecast Uncertainty and Forecast Intervals: Forecasting is the technique used to predict the future…

Q: a. Which data set seems more symmetric? Explain. b. Compare the interquartile ranges of the two…

A: A symmetrical distribution occurs when the values of variables appear at regular frequencies  and…

Q: In what situations would you see a large difference between the mean and median of a data set? Give…

A: To find, In what situations would you see a large difference between the mean and median of a data…

Q: How to determine Estimate the P-value.

A: Introduction:P-value: The P-value is the probability of obtaining a test statistic value as extreme…

Q: What is the definition of the mean of a data set

A: Mean is just another name for average.

Q: Use the table below to help estimate the p- value. Based on the p-value, choose the correct…

A: The test statistic value is -2.28 and the test is two tailed.

Q: Is the mean the measure of central tendency that makes the sum of squared deviations around it…

A: In statistics, the mean is the average of a set of numbers and is the most commonly used measure of…

Q: True or false- The interquartile range is the distance between the lowest score and in the middle…

A: The interquartile range is the difference between the value of quartile 3 and quartile 1.

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

A: Identify the correct option that correctly describes the data.   The correct option is identified…

Q: What is the one-sample t-test for the mean? WRite it in words and formulas.

A: One sample t test for mean is used to determine the statistical difference between a sample mean and…

Q: A polling company conducts an annual poll of adults about political opinions. The survey asked a…

A: It is given that, p is 0.42, and sample size (n) is 434.  The level of confidence is 0.95.

Q: Locate the outlier in the boxplot. What effect does this data point have on the mean of weekly…

A: Solution The box plot shows the salary for mean which contain an outliers.