# QNT 275 Week 5 Final Exam (A+ Score Guaranteed!)

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QNT 275 Week 5 Final Exam (A+ Score Guaranteed!)

Hello there are 30 questions in the QNT 275 Week 5 Final Exam.

Q1:

The following item describes a column in a data table. On the basis of the description, assign a one- or two-word name to the variable, indicate its type (categorical, ordinal, or numeral), and describe the cases. If the data are a time series, Identify the frequency of the data.

Color preference of consumers in a focus group

Complete the table below.

If the data are a time series,identify the frequency of the data. Choose the correct answers below.

A: The data are a time series and the frequency is colors.

B: The data are a time series and the frequency is days.

C: The data are a time series and the frequency is focus groups.

D: The data are not a time series.

Q2:

The following item describes a column in a data table. On the basis of the description, assign a one- or two-word name to the variable, indicate its type (categorical, ordinal, or numeral), and describe the cases. If the data are a time series, Identify the frequency of the data.

Size of clothing items given as Small,Medium, Large,and Extra Large

Complete the table below.

If the data are a time series,identify the frequency of the data. Select the correct choice below and if necessary, fill in the answer box to complete your choice.

A: The data are a time series and the frequency is _____

B: The data are not a time series.

Q3:

The following item describes a column in a data table. On the basis of the description, assign a one- or two-word name to the variable, indicate its type (categorical, ordinal, or numeral), and describe the cases. If the data are a time series, Identify the frequency of the data.

Price of various stocks, in dollors per share

Q4:

The two pie charts below show the origin of cars bought by customers … …

Q5:

The table to the right summarizes result of a survey of the purchasing habits of …….

Q6:

The accompanying histogram shows the distribution of the amount of sales tax in 50 regions. … …

Q7:

If the median size used by 500 songs is 3.1 MB, will these all fit on a device that has 2 GB of storage? ……

Q8:

An adjustable rate mortgage allows the rate of interest to fluctuate over the term of the loan …….

Q9:

In a study of how the environment affects spending, researchers varied the presence of music and scents in a shopping mall……

Q10:

list the characteristics a-f on the basis of the brief description of the survey show below…….

Q11:

A bank with branches in a large metropolitan area is considering opening its offices on Saturday……

Q12:

A car manufacturer is concerned that dealers conceal unhappy customers by keeping them out of surveys … …

Q13:

A catalog sales company promise to deliver order palced on the internet wihtin two days … …

Q14:

Direct mail advertisers send solicitations(junk mail) to thousands of potential customers hoping … …

Q15:

An accounting firm is considering offering investment advice in addition to its current focus on tax ……

Q16:

The Human Rescources(HR) group gives job applicants at a firm a personality test to assess ……

Q17:

Each of the scatterplots below shows a sequence of observations……

Q18:

Count the number of cars that pass by an intersection during consecutive five-minutes periods on …. …

Q19:

At a large assembly line the manufacturer reassigns employees to different tasks each month… …

Q20:

A study revealed surprisingly large differences in rates of lung cancer among … …

Q21:

The amount of electricity supplied by a utility to residences in a community during the summer depends on … …

Q22:

A contractor built 30 similar homes in a suburban development … …

Q23:

Some electronic devices are better used than new. ……

Q24:

A company buys components from two suppliers. One produces components that are of higher quality than the other……

Q25:

If the standard deviation of X matches the standard deviation of Y……

Q26:

If the correlation between X and Y is and the slope in the regression of Y on X is …. ….

Q27:

A company tracks the level of sales at retail outlets weekly for 36 weeks. … ….

Q28:

Sometimes the speeds(per hour) of cars are recorded as kilometers, other times as miles. … …

Q29:

Is the following statement true or false? If it is false,…….

Q30:

The exponentially weighted moving average is a one-side moving average of the time series. … …