Statistics Homework Answers & Questions

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  • Waiting for answer Business Improvement

    "Business Improvement" Please respond to the following: Note: Online students, please select one of the two subjects to discuss. Select one (1) project from the working or educational environment of your choice and specify the main work process (e.g., suppliers and customers involved, work flow, et...

  • Waiting for answer Statistic Help

    Correlation (r- value), Scatterplots, Trendline (regression) Equation, Prediction HOW TO VIDEO Dr Ami Gates MOOT Intro Stats Correlation Scatterplots Prediction Trendline (Regression Line Prediction) Excel https://www.youtube.com/watch?v=P6LwhM_pDuA HOW TO VIDEO Dr Ami Gates Using Excel Correlati...

  • Waiting for answer Statistic 1

    In a one-way ANOVA, we analyze only one: mean variable sample population

  • Waiting for answer Statistic 6

    The alternative hypothesis is a claim about a: statistic, where the claim is assumed to be true if the null hypothesis is declared false parameter, where the claim is assumed to be true until it is declared false parameter, where the claim is assumed to be true if the null hypothesis is declared fal...

  • Waiting for answer Statistic 30

    If you divide the number of elements in a sample with a specific characteristic by the total number of elements in the sample, the dividend is the: sampling distribution sample distribution sample mean sample proportion

  • Waiting for answer Repeated Measures ANOVA in SPSS

    George please follow the instructions listed and use the datasets you already have from previous assignments. Also please use the template attached to complete the assignment, Analysis of Variance with Repeated Measures Because you are measuring the same subjects over time, your data are dependen...

  • Waiting for answer Statistic 29

    A researcher wants to test if elementary school children spend less than 30 minutes per day on homework. The alternative hypothesis for this example will be that the population mean is: less than 30 minutes equal to 30 minutes less than or equal to 30 minutes not equal to 30 minutes

  • Waiting for answer Statistic 28

    We can use the analysis of variance procedure to test hypotheses about: the proportion of one population the mean of one population two or more population proportions two or more population means

  • Waiting for answer Statistic 27

    The mean of a discrete random variable is its: box-and-whisker measure second quartile upper hinge expected value

  • Waiting for answer Statistic 26

    Which of the following pairs of events are mutually exclusive? Female and yes No and yes Female and no Female and male

  • Waiting for answer Statistic 25

    A sample of 16 from a population produced a mean of 86.9 and a standard deviation of 14.3. A sample of 18 from another population produced a mean of 75.4 and a standard deviation of 15.9. Assume that the two populations are normally distributed and the standard deviations of the two populations are...

  • Waiting for answer Statistic 24

    In a hypothesis test, a Type I error occurs when: a false null hypothesis is rejected a false null hypothesis is not rejected a true null hypothesis is rejected a true null hypothesis is not rejected

  • Waiting for answer Statistic 23

    The graph of a cumulative frequency distribution is a(n): stem-and-leaf display line graph ogive frequency histogram

  • Waiting for answer Statistic 22

    The regression model y = A + Bx + e is: an exact relationship a nonlinear model a deterministic model a probabilistic model

  • Waiting for answer Statistic 18

    For small degrees of freedom, the chi-square distribution is: skewed to the right rectangular symmetric skewed to the left

  • Waiting for answer Statistic 16

    The model y = A + Bx is a: stochastic model probabilistic model deterministic model nonlinear model

  • Waiting for answer Statistic 15

    A researcher wants to test if the mean annual salary of all lawyers in a city is different than $110,000. The null hypothesis for this example will be that the population mean is: less than to $110,000 equal to $110,000 greater than to $110,000 not equal to $110,000

  • Waiting for answer Statistic 14

    The mean of a discrete random variable is the mean of its: frequency distribution second and third quartiles percentage distribution probability distribution

  • Waiting for answer Statistic 13

    To make tests of hypotheses about more than two population means, we use the: normal distribution t distribution chi-square distribution analysis of variance distribution

  • Waiting for answer Statistic Quiz

    Two paired or matched samples would imply that: data are collected on one variable from the elements of two independent samples two data values are collected from the same source (elements) for two dependent samples two data values are collected from the same source (elements) for two independent sa...

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