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- A commercial real estate company evaluates vacancy rates, square footage Hint: StatisticsA correlation matrix refers to a table that displays correlation. It is best used in variables exhibiting a linear relationship between themselves. A correlation matrix is made up of rows an..
- A committee consisting of four women and three men will randomly select two people Hint: Statistics"required probability = C(4,2)/C(7,2) = (4!/(2!*2!)) / (7!/2!*5!) = 6 / 21 = 2/7"..
- A common complaint of university students is that tenure-track instructors Hint: Statistics"Salary can be explained by the explanatory variable 1 (whether the instructor holds regular office hours). However, the other two explanatory variables (average teaching evaluation and..
- A common way to deal with this problem is to ‘control’ for self-esteem Hint: StatisticsSelf-esteem is an individual’s subjective sense of personal worth which is the opinion of one’s abilities. It is how much an individual appreciates oneself which tends to be stable and endur..
- A company claims that the variance in their delivery time is less than 25 day Hint: StatisticsThe critical value approach is used to determine the likelihood or unlikelihood by ascertaining if the observed test statistic is riskier than is expected if a null hypothesis was true or no..
- A company claims there is no difference between their prices Hint: Statistics"Both null and alternative hypotheses are 2 mutually exclusive hypothesis about a population.Alternative Hypothesis says that the population parameter could be greater, smaller, or even diff..
- A company decided to check on the accuracy of invoicing Hint: StatisticsProbability is the branch of mathematics in which it shows the numerical descriptions of how likely an event is to occur, or even shows that how likely it is that the proposition would be tr..
- A company director engages an independent evaluator to prepare her employees to evaluate one of the company’s programs Hint: StatisticsExternal evaluators help to bring a wide of experience evaluating various of programs. Evaluators include who have worked in avarious program contexts and the one who have worked with an exp..
- A company faces the following demands during the next three weeks Hint: Statisticstd {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}To minimize the cost of meeting the demand for the next three weeks, determine the optimal production plan that meets the dem..
- A company finds that if it produces and sells q units of a product, its total sales Hint: StatisticsA fixed cost in economics is a type of cost that remains the same regardless of how much production a company has. Fixed cost is calculated by multiplying the variable cost of producing one ..
- A company has 70 employees whose salaries are summarized in the frequency distribution below Hint: Statistics mean = ∑fixi / ∑fi = variance = (1/n * ∑fi xi2) - mean2 = standard deviation = SQRT(variance) ..
- A company has large production centres in two towns Hint: StatisticsA pay level refers to the pay in which a person is given in consideration with the job grade or job occupation of a person. Pay levels can be determined by either hourly pay, weekly pay, mon..
- A company has received a contract to manufacture aluminum cases Hint: Statistics"a) ANOVA i.e., the analysis of variance is the tool of analysis which is used in the statistics which is found inside the data set into two parts that splits the observed aggregate va..
- A company has three machines that fill 350 mL cans with pop Hint: StatisticsNull hypothesis, ho: there is no significant differnce in the average fill between three companies.Alternative hypothesis, h1: at least one of the mean fill between three companies differ si..
- A company is considering its strategy to further expand its activity into a foreign Hint: Statistics" In statistics, demand typically refers to the desire or need for a particular product or service in a given market or population. Demand is an important concept in statistical analysis, as..
