Question 3If a distribution has a median greater than its mean, then the distribution displays:A Low kurtosisB High kurtosisC) Negative skewnessD) Positive skewness

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Answered: If a distribution has a median greater…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A sample of scores has a mean of M = 20, a median of 28, and a mode of 29. What is the most likely shape for the sample distribution? symmetrical positively skewed negatively skewed cannot be determined from the information given
University students who drink alcohol, usually consume about 6 drinks per week. Given that about 60% of students drink alcohol, what would you predict to be the shape of the distribution of the number of cups drunk for university students (which include those who drink alcohol and those who don't)? Select one: O a. negatively skewed with scores bunched at 6 drinks per week b. normal distribution with one peak at 6 drinks a week leptokurtic with scores bunching around 6 drinks a week O d. positively skewed with scores bunched at 3 drinks a week. O e. bimodal distribution with one peak at zero and another peak at about 6 drinks per week O C.
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To avoid having her hours cut back at work, Bridgett must avoid performing in the lowest 40% of the distribution of workers at her job. Specifically, typical amount of items manufactured at her job form a normal distribution with µ = 100 and σ = 4. Bridgett needs to manufacture more than _____ items in order to avoid having her hours cut back at work.
Need to show all work such as calculator steps.
Ensure the RaceResults worksheet is active, then use the FREQUENCY function to calculate the frequency distribution of the race results in column D. Place your results in the range G4:G9. Enter a function in cell F22 to calculate the correlation between age (Columns C) and race time (Column D). Enter a function in cell G22 to calculate the covariance between age and race time. Enter a function in cell H22 to calculate the variance of the ages in the data set. Note this is a sample of data not a population. Enter a function in cell 122 to calculate the standard deviation of the ages in the data set.
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The total expenses of a hospital (dependent variable) are related to many factors. One of these factors is the number of admissions to the hospital (independent variable). Using the summary output below to answer, what is the meaning (analysis) of the coefficient of determination? SUMMARY OUTPUT Multiple R R Square Adjusted R Square Standard Error Observations ANOVA Regression Statistics Regression Residual Total df 0.98706 0.974288 0.972145 8.106794 Coefficients 14 1 12 13 SS 29883.07 788.6412 30671.71 Standard Error Intercept 1.518053 Admissions 0.668591 OA) is the value of Expenses with one unit increase in Admissions 3.248929 0.031354 MS 29883.07 65.7201 t Stat 0.467247 21.32375 F 454.7022 P-value 0.648693 6.59E-11 Significance F 6.59E-11 Lower 95% -5.56075 0.600276 Upper 95% 8.59686 0.736907

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If a distribution has a median greater than its mean, then the distribution displays: (A) Low kurtosis B) High kurtosis C) Negative skewness D) Positive skewness