e difference between a point estimate and an interval estimate of a parameter? Which is better? Why?

Q: What is the Vertical Line Test, and what is it used for?

A: Vertical line test: If we draw vertical lines through a graph of a function. And it cuts the graph…

Q: Explain the difference between the 3 approaches to parameter estimation: point estimation, interval…

A: There are so many techniques for Parameter Estimation. Here, I am going to provide the difference…

Q: ignificance is referred to as "independent of observations". Explain this assumption.

A: The assumption of independence is used for T tests, in ANOVA tests, and in several other statistical…

Q: a) Analytically b) Single application of trapezoidal rule c) Determine the percent relative error…

A: Trapezoidal rule is an approximate or numerical method that is used to evaluate the integral in the…

Q: The effect size is the difference in the parameter of interest that represents a clinically…

A: Formula : Effect size = (M-μ)/σ

Q: What is the horizontal line test and what does it indicate?

A: Horizontal line test: If we draw horizontal lines through a graph of a function. And if all the…

Q: Locate any relative extrema and points of inflection

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Q: Explain briefly what is meant by the terms;  ‘point estimate’  ‘interval estimate’ Why do…

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Q: Differentiate between point and interval estimation with the help of examples. What impact…

A: Estimation is the procedure that is used to estimate the population parameters like mean and…

Q: Differentiate point estimation from interval estimation.

A: Using descriptive and inferential statistics we can define the different types of estimations.…

Q: What possible errors one can make during interval estimation and testing of hypothesis Explain with…

A: Types of error in hypothesis testing are: 1. Type I error: Rejecting the null hypothesis when it is…

Q: Hi, can you give me a problem that has two tailed test - accept and its parameter is proportion.…

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Q: How does the standard error of the estimate measure? What is the formula for the standard error of…

A: From the given information we need to find the standard error of the estimate measure and the…

Q: TRUE or FALSE: Data entries under the interval level of measurement are arranged in order, but the…

A: There are four level of measurements : Nominal, Ordinal, Interval and Ratio.

Q: A residual plot has data points that are all very close to the x-axis. What does this say about the…

A: A residual value is defined as the difference between the observed value and the expected value…

Q: Why should you generally expect some error when estimating a parameter by a statistic? What is this…

A: ANSWER:-  A sample is subset or part of the population and sample does not include all the members…

Q: Are these data qualitative or quantitative? O Qualitative O Quantitative Are these data discrete or…

A: Introduction: There are broadly 4 scales of measurement used in Statistics, that either categorizes…

Q: What kind of statistical test and chart do I use to best analyze numerical quantitative continuous…

A: The object is to find out the best statistical test and chart suitable for numerical quantitative…

Q: Distinguish among difference estimation, ratio estimation,mean-per-unit estimation, and stratified…

A: Difference estimation: Difference estimation is one of the methods of estimating total misstatement…

Q: How to find Chi-squared and Quantitative estimate of the quality of the fit line

A: Hi, The  xi yi 1 1 2 7 3 17 4 16 5 22 6 33 7 61 8 70 9 90 Regression…

Q: what measurement is most appropriate for data regarding customer drive-thru times?  nominal,…

A: Drive thru times are generally taken as minutes minutes are a ratio level of measurement because it…

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

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Q: A ship is sailing with the part submerged of about 80 m. The crew emits high frequency sound pulses…

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Q: Locate any relative extrema and points of inflection. y = xlnx

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Q: An estimator both precise: that is and accurate Parameter

A: Estimator: A statistic is used to estimate a characteristic of the population. It is based on the…

Q: Consider the line of best fit you constructed using Alvin's population data. i) Can you extend your…

A: a)

Q: estimator That is and both accurate precise: Parameter

A: Parameter: It may be defined as the statistic or a quantity of the population under study. It is any…

Q: A study has been conducted to compare people of different backgrounds (Australians, Europeans,…

A: The level of measurement is interval, if the difference between two values has a meaning, but the…

Q: What is a name for the curve that has the mean, median and mode at the center?     Mesokurtic…

A: We have given that  The curve that has the mean, median and mode at the center

Q: TRUE or FALSE:  Data entries under the ratio level of measurement have an absolute zero.

A: Here we have to identify whether the given statement is true or false

Q: Choose the correct type of data and level of measurement for green. I. Discrete II. Qualitative II.…

A: We know that Nominal data: Nominal data measure qualitative data and it is the name of variable.…

Q: Short note on Standard Error of Estimate.

A: The standard error (SE) of an estimate is simply the standard deviation of the sampling…

Q: Moving Forward A rectangular room was designed to be built for a length of 25 feet and a breadth of…

A: Find error

Q: How do I determine the net change and the average rate of change with the given points

A: From graph we evaluate that {When a=1, f(a)=4when b=4, f(b)=6a and b are points on x axis f(a) and…

Q: to estimate what the demand for electricity was at the time. a) Construct a backward difference…

A: The function value at a point can be interpolated using newton's backward difference interpolation…

Q: The standard error of estimate gives a measure of the standard distance between the predicted Y…

A: by definition of the standard error estimate : The standard error of estimate gives a measure of the…

Q: Is a point estimate a parameter or statistic?

A: here use definition of given term

Q: The side of a square is measured to be 500 mm with an error of 0.001 mm. Find the approximate…

A: Given  The side of a square is 500 mm with an error of 0.001 mm.

Q: What are the endpoints of the interval estimator for B2 with a 99% interval estimate?

A: Given: Sample size, n=62 Regression equation is - y=97.25+33.74xStandard error β1=3.86Standard error…

Q: 1. Which scatter plot(s) could be modelled using a curve instead of a line of best fit? Explain. a)…

A: In the first figure, if we draw line the points are closer to line.

Q: What is the relation of average deviation and the average deviation of the mean? How to get the…

A: Average deviation refers to the average of the absolute deviations of the scores around the mean.…

Q: Describe the process to identify the parameter values?

A: The parameter is something in equation or expression that is passed on equation or expression.…

Q: Q17. What type of estimation that surrounds the point estimate with a margin of error to create a…

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Q: What is the difference between point estimate and interval estimate?

A: Broadly, the estimates of the population parameters, based on samples are classified into two…

Q: The coefficient of determination (r) is The F-ratio is which means that the assessor reject, at the…

A: 1. These are the data that have been provided for the dependent and independent variable: Obs. XX…

Q: What statistical test would be most appropriate if you were interested in seeing how religiosity…

A: GIven information:  Religiosity was measured using an interval scale, and the same participants…

Q: What is a post hoc test and why don’t you need it if your ANOVA is not significant

A: In ANOVA we test that whether the groups are different. Note : Since you have asked multiple…

Q: Based from the Problem  and ANOVA Table, what is the critical/tabular value of F? Write your answer…

A: Solve using Two-way ANOVA method Observation A B 1 98.4,97.4,96.8,98.2 98.4,97.4,97.4,98.0 2…

Q: Must the variable under consideration be normally distributed for you to use the z-interval…

A: A random variable can be categorized as qualitative or quantitative variable.For finding confidence…

Q: ANOVAs are to be used when the dependent variable is interval or ratio and the independent variable…

A: The “ANOVA” means Analysis of variance. The analysis of variance is the most powerful statistical…