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In the May 1, 2014 article, “For Many, Mobile Technology Increasing Retail Shopping, Young Adults More Likely To Say Mobile Tech Increasing Retail Shopping” by Jeffrey M Jones, the results of a recent poll about Americans buying habits. Here is a quote from that article. “Results for this Gallup poll are based on telephone interviews conducted March 21-23, 2014, on the Gallup Daily tracking survey, with a random sample of 1,505 adults, aged 18 and older living in all 50 U.S. States and the District of Columbia.” What aspect of statistics is this describing?

In the Spring of 2017, a sample of 102 homes for sale in Gainesville was collected. The sale price and square footage of the homes were recorded.  The least squares regression equation was price = -58857+162.9*foot  For one house, the square footage was 952 and the price was 149900 dollars. Find the residual. 

In the Spring of 2017, a sample of 102 homes for sale in Gainesville was collected. The sale price and square footage of the homes were recorded.  The least squares regression equation was price = -58857+162.9*foot  For one house, the square footage was 2424 and the price was 299900 dollars. Find the residual. 

Suppose that you had a random number generator that randomly selected values between 0 and 1. Assume that each number is equally likely between 0 and 1 – including decimals. What is the probability that you would select a value between 0.25 and 0.5?

Below is a data set of the number of male students enrolled in M.S. program (Fall) in the C.S. department at the University of Florida in the last 7 years: 72,48,46,27,58,63,71 What is the mean?

  A survey was conducted of college students in the US. They were asked to give their own height as well as the height that they would like their mate to be. Below is the least squares regression output for this data. The output below was conducted on only the male respondents. What is the predicted height for a mate of a 62 inch tall respondent?

In the Spring of 2017, a sample of 102 homes for sale in Gainesville was collected. The sale price and square footage of the homes were recorded.  The least squares regression equation was price = -58857+162.9*foot  For one house, the square footage was 1567 and the price was 189900 dollars. Find the residual. 

Below is the result of a class survey. The students were asked to state the make of the car they drove and their level of satisfaction with the car on scale of 1-10.   Which make of car had the smallest IQR?

Below are the calories per serving for a selection of 5 brands of cereal found on the top shelf of a grocery store. Find the sample standard deviation.   Cereal Calories 100% Bran 70 100% Natural Bran 120 All-Bran 70 All Bran with extra Fiber 40 Almond Delight 110      

A regression line was found to predict Foreign direct investment (FDI) (net inflows (% of GDP)) based on year for Latin America & the Caribbean (IDA & IBRD countries) countries. The value of R-squared was 0.713. Interpret R-Squared (if applicable).