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Survey on marital status to determine whether the data is qualitative or quantitative a. In completing a survey, subjects used the following numbers to indicate marital status
1 = Single (never married)2 = Married3 = Divorced4 = WidowedIs this data qualitative or quantitative? Describe
b. examine the difference between a variable and a parameter. Contain an illustration.
What is the probability that the project will be completed in 17 months or less?
If a single card is drawn from an ordinary deck of cards, what is the probability of drawing either a heart or a 6? (Answer in a fraction).
The Pearson Product-Moment Correlation Coefficient (r) is a measure of linear relationship between two variables.
Is there evidence to suggest a difference in the mean waiting times at the four body shops?
Make for more scatter plots comparing GDP growth 1970-2000 to corruption, political rights, rule of law, and socio-political instability
The market model relating the rate of return of stock XYZ (denoted RXYZ) to the rate of return Of a broader index of the stock market (denoted RM) is reported as:
The sampling distribution of the average score and Suppose x' is your average pay for the 100 weeks. Then x' has approximately
Assume you choose 20 houses at random. On average, how many houses of twenty would you expect to have DVD? Determine standard deviation of number of houses with DVD?
To test this notion, eight paid volunteers were placed (individually) in a room in which there was no light from the outside and no clocks or other indications of time.
Construct a 95 percent confidence interval for the population mean. Is it reasonable that the population mean is 28 weeks? Justify your answer.
By using 0.05 level of significance, is there any evidence of difference in mean life of bulbs produced by two kinds of machines?Calculate p-value and interpret its meaning.
Is there a significant difference between the scores between the Republicans and the Democrats?
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