The following data shows the yearly income distribution of a sample of 200 employees at MNM,...

 

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The following data shows the yearly income distribution of a sample of 200 employees at MNM, Inc. Yearly Income (In $1,000s) 20-24 25-29 30-34 35-39 40-44 Number of Employees 2 48 50 90 10 (a) What percentage of employees have yearly incomes of $35,000 or more? % (b) Does the figure computed in part (a) exemplify statistical inference? If no, what kind of statistical information does it represent? O Yes, it exemplifies statistical inference. No, it is a survey. No, it is a population. No, it is descriptive statistics. Need Help? Read It (c) Based on this sample, the president of the company said that "50% of all our employees' yearly incomes are $35,000 or more." What kind of statistical information does the president's statement represent? O descriptive statistics population statistical inference survey (d) with the statement made in part (c), can we be assured that more than 50% of all employees' yearly incomes are at least $35,000? Explain. Yes, this is not an inference and approximation based on sample information. Yes, this is simply an inference and approximation based on sample information. No, this is simply an inference and approximation based on sample information. No, this is not an inference and approximation based on sample information. (e) what percentage of employees of the sample have yearly incomes of $29,000 or less? (f) How many variables are presented in the above data set? (9) How many observation results are represented in the above data set? The following data shows the yearly income distribution of a sample of 200 employees at MNM, Inc. Yearly Income (In $1,000s) 20-24 25-29 30-34 35-39 40-44 Number of Employees 2 48 50 90 10 (a) What percentage of employees have yearly incomes of $35,000 or more? % (b) Does the figure computed in part (a) exemplify statistical inference? If no, what kind of statistical information does it represent? O Yes, it exemplifies statistical inference. No, it is a survey. No, it is a population. No, it is descriptive statistics. Need Help? Read It (c) Based on this sample, the president of the company said that "50% of all our employees' yearly incomes are $35,000 or more." What kind of statistical information does the president's statement represent? O descriptive statistics population statistical inference survey (d) with the statement made in part (c), can we be assured that more than 50% of all employees' yearly incomes are at least $35,000? Explain. Yes, this is not an inference and approximation based on sample information. Yes, this is simply an inference and approximation based on sample information. No, this is simply an inference and approximation based on sample information. No, this is not an inference and approximation based on sample information. (e) what percentage of employees of the sample have yearly incomes of $29,000 or less? (f) How many variables are presented in the above data set? (9) How many observation results are represented in the above data set?

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a To calculate the percentage of employees with yearly incomes of 35000 or more we need to sum up the number of employees in the categories of 35000 a... View the full answer