A) A researcher is interested in knowing the level of job satisfaction among employees in a...

A researcher is interested in knowing the level of job satisfaction among employees in a large company. He measures job satisfaction on a 5-point scale where 1=” Extremely dissatisfied” and 5 = “Extremely satisfied”.

What is the matching description of the variable of interest in this study?

Group of answer choices

a. Quantitative / Discrete

b. Quantitative / Continuous

c. Categorical / Ordinal

d. Categorical / Nominal

What is the most suitable measure of centre for a skewed data set?

Group of answer choices

a. Mean

b. Standard Deviation

c. IQR

d. Median

For a particular data set, first quartile ( Q1 ) is 30 and third quartile (Q3) is 46. Check whether the following values are outliers for this data set?

61,65,5,10,71 An Outlier or Not an Outlier

A simple random sample of size n=100 is taken from a population. The data are known to come from a Normal distribution with a mean=25 and a standard deviation=15. Select the mean and the standard deviation of the sample mean from the given list of values?

Mean___, Standard Deviation____

It is known that the probability of a randomly selected female student passing the mid-semester quiz is 0.67. If she has passed the mid-semester quiz then the probability of her passing the final quiz is 0.82. What is the probability of her passing both quizzes? Provide the answer to 3 decimal places.

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orchestra answered 1 year ago

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