How to find Distribution while given Estimator in point estimator

Q: The average percent of correct responses on the midterm last semester was 78% with a standard…

A: Given that  Mean = M = 78 , Standard deviation = SD = 6 Z-score = 1

Q: 3. These are data of patients' age at hospital XYZ. Interval of Age (in years) Frequency Specific…

A: Sum=∑fx n=∑f  mean=sum/n

Q: What is the point estimate of the population mean? What is the estimated standard error of the…

A: Given: Sample size, n=25Sample mean,x¯=165Sample sd, s=15

Q: Why is it that interpolation is defined as the estimation of a function's value in a period that is…

A: Interpolation is the process of estimating the value of a function at points within an interval or…

Q: Why do phillips curves look different across different countries?

A: Reason-  As we know the Phillips curves is define as the inverse relationship between the level of…

Q: A research company wants to estimate the mean IQ score for the population of all high school…

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Q: Discuss clearly why the centered moving average method of forecasting is preferred to other methods…

A: The MA method is employed or implemented mostly for speculating or predicting the objects or things…

Q: P(x<62)  mean is 80 and standard deviation is 94

A: Mean = 80 Standard deviation = 94

Q: The average temperature of Hamilton in January 2020 was less than 32°F (0°C). The data is available…

A: Given information: Days Temperature 1 28 2 41 3 43 4 34 5 32 6 34 7 36 8 23 9…

Q: Le distribution). How many gallons of 1

A: We need to find the the value for the lowest 1%.Hence, look for the z-score that corresponds to area…

Q: compare Random Effects Estimator and Fixed Effects Estimator.

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Q: A particular fruit's weights are normally distributed, with a mean of 405 grams and a standard…

A: The question is about normal dist. Given : Popl. mean of weights of fruit ( μ ) = 405 gram Std.…

Q: What are the statistical techniques used to measure the dispersion? Give an example?

A: The statistical techniques which are used to measure the dispersion are variance, standard…

Q: Illustrate Asymptotic Distribution of the OLS Estimator and t-Statistic?

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Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 116 and a standard…

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Q: Mention two real life applications for the distribution.

A: There are lot of real life applications of distributions. The of those are as following   1.…

Q: Part 1 of 5 (a) State the appropriate null and alternate hypotheses. H1: This hypothesis test is a…

A: mu = 2.1 xabr = 1.95 n = 54 sigma = 0.4

Q: for normal distribution mean is 100 and standard deviation is 15 use the emperican graph and gave 1…

A: Normal distributionμ=100σ=15we draw empherical graph

Q: A professor gives a test and the scores are normally distributed with a mean of 60 and a standard…

A: Given Information: A professor gives a test and the scores are normally distributed with a mean of…

Q: An outlier is a data point that may be an abnormal result should sometimes be left out of a…

A: Solution :-

Q: What do you mean by AIC Lag Length Estimator?

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Q: The mean and standard deviation of 20 items was found to be 10 and 2 respectively. Later it was…

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Q: If we correctly summed all deviations from the mean of a distribution (without squaring those…

A: The property of sample mean is that the sum of deviations from the mean is always a zero.

Q: A correlation coefficient should be used when the independent and dependent variable are measured as…

A: The objective of the question is to identify the type of variables for which a correlation…

Q: The distribution of scores has a mean of 92 and standard deviation of 6. Explain why these scores…

A: A normal distribution has 15.86 percentage values more than one standard deviation units above the…

Q: The mean of the population is 50. The standard deviation is 10. (a) What is the probablity that a…

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Q: A score from a usability test could be considered an outlier if it is more than 2 standard…

A: An outlier decided on the basic of lower and upper fences of respective data. Any value out of these…

Q: The mean marks of statistics of 100 students of a class were 72. The mean marks of boys were 75…

A:

Q: Let's consider the annual precipitation levels in Los Angeles county. Suppose the average annual…

A: Given that the average annual precipitation in LA county is normally distributed with a mean of 15…

Q: Give two examples of parameters and explain each in terms of point estimates and point estimators.

A: Here we want to discuss parameters.

Q: a residual is the distance between the data value in the line of best fit true or false?

A: a residual is the distance between the data value in the line of best fit -True

Q: Can you give me a particular situation that it is related to science wherein small standard…

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Q: The mean number of English courses taken in a two-year time period by male and female college…

A: a)The null hypothesis isH0:μM=μF