Data Analysis

Rema was recently employed by Robby's Car Rental to analyze data collected from customers regarding their concerns with the physical and mechanical condition of the car(s) rented. Select the most appropriate option which can be coded "Concerns Regarding the Physical and Mechanical Condition of the State of Cars Rented."

• The car interior is dirty, the windshield is broken, the gas pedal is faulty

• No parking space, bad roads, No gas in the car

• The car interior is dirty, bad customer service, the headlights not working,

• No parking space available on premises, bad customer service, exchange rates used are too high.

Which type of graph is most effective for comparing different categories or groups?

• Pie Chart

• Bar Graph

• Line Graph

Which graph would be most appropriate to display population growth over a period of time?

• Pie Chart

• Line Graph

• Bar Graph

Which of the following is a common type of analysis that researchers typically conduct?

• Quantitative Analysis

• Predictive Analysis

• Description Analysis

• Data Analysis

True or False: The mean the best measure of central tendency for a dataset containing outliers.

• True

• False

Which two measures will best describe the distribution shown in the image?

• Mean and Interquartile Range

• Median and Mode

• Median and Standard Deviation

• Mean and Standard Deviation

True or False: The central tendency of a dataset in descriptive analysis can be determined by calculating the mean, median, and mode for quantitative data.

• True

• False

What statistical methods can be used to identify outliers in a dataset during descriptive analysis?

• QQ-plot and stem and leaf plots

• Box plot and z scores

• T score and QQ-plot

• z scores and corner plot

Which analysis involves summarizing and describing the main features of a dataset, such as mean, median, mode, standard deviation, and range?

• Inferential

• Descriptive

• Qualitative

• Continental

​ After​_____the data, the researcher constructs a _______ system to group the data into similar categories.