For the following scenario, is the variable is categorical or quantitative?A poll of students at your college is asked how many hours they work at a job while in school. Categorical Quantitative

A researcher records the number of hours spent studying each week by a group of students. What type of variable is this?Group of answer choicesDiscreteOrdinalCategoricalContinuous

Diane Chen, the Human Resources Manager for a private college, is interested in examining the number of hours overtime worked by staff in one week. She took a sample of 6 staff, with the results given below.3, 6, 4.5, 7, 9, 0.5a) Is the number of hours overtime worked by staff in a week a categorical or numerical variable? If the variable is numerical, determine whether the variable is discrete or continuous. In addition, determine the level of measurement (e.g. ratio or interval scale).b) Calculate the sample mean of this sample (correct to 1 decimal place). Include units.c) Calculate the sample standard deviation (correct to 3 decimal places). Include units.d) What must be assumed about the population distribution in order to calculate a confidence interval? Give a reason for your answere) Using the sample mean and sample standard deviation (found in b and c) calculate the 95% confidence interval for the population mean overtime hours. Include a concluding statement.f) If one staff member claimed they worked 10 hours overtime, based on this sample should you take their statement as true? Why/ why not?Show your working by typing your answer in the text box below.

The Department of Statistics at University of Kentucky surveyed 1111 students asking them the following question: “How many hours per day you spend on social media? This is an example of:Group of answer choicesCategorical VariableNumerical-Continuous VariableNumerical-Discrete VariableQualitative Variable

Which of these is an example of a categorical variable?flavor of soft drink ordered by each customer at a fast food restaurantheight, measured in inches, for each student in a classpoints scored by each player on a team

Sally created a survey to determine professional development needs of the stage 2 and 3 teachers.She asked all the teachers to complete the survey.Which statement below best describes the variables used in the survey?Question 3Select one:A.The variables are qualitative nominal.B.The variables are qualitative ordinal.C.The variables are quantitative interval.D.The variables are quantitative ratio.Clear my choiceQuestion 4Not yet answeredMarked out of 1.00Flag questionTipsData Types - 04Sally surveyed her students to determine their leisure activities. She asked the students to circle their gender.The variable gender is aQuestion 4Select one:A.Qualitative nominal variable.B.Qualitative ordinal variable.C.Quantitative nominal variable.D.Quantitative ordinal variable.