The following data represent the prices of a round trip ticket from Los Angeles to Paris over spring break.  Use this information to find the indicated values.  Round the mean and standard deviation to the nearest whole number.  Give the quartiles to the nearest cent. $1352     $810     $919     $915     $1030     $915     $926     $1147     $789     $919     $1234    $1267      $1295     $874     $665 Find the following.  What is the mean? [answer1] What is the median? [answer2] What is the standard deviation? [answer3] What is the first quartile?  [answer4] What is the is the 3rd quartile?  [answer5]  

Consider the following:A researcher obtained a random sample of 100 smokers and a random sample of 100 nonsmokers. After interviewing all 200 participants in the study and determining whether each was clinically depressed, the researcher compared the rate of depression among the smokers with the rate of depression among nonsmokers. 1. Is this an observational or experimental study?  [exp]  Why?  [why]  2. What is the response variable?  [resp] 3. What is the explanatory variable? [expl]

A researcher records the number of employees of each of the IT companies in the town of Westmoore. Theresults are summarized in the table. Number of Employees Number of IT Companies 0 – 749 36 750 – 1499 21 1500 – 2249 90 2250 – 2999 16 3000 – 3749 8 What was the largest number of employees for an IT company?

Someone who decides to go to college is an incidence in which the ____________ is greater than the monetary cost.

The histogram below gives the relative frequency histogram of the cholesterol levels for a sample of patients at a hospital.     Use the graph to answer the questions below. 1) What percentage of the patients had a cholesterol level of at least 210?  [answer1] 2) What percentage of the patients had a cholesterol level between 200 and 220? [answer2] 3) If this sample represented 400 patients, how many of them had a cholesterol level between 200 and 215? [answer3]

The following data set represents the sodium content of a one cup serving of a sample of tomato soups available at a local grocer store.  The values are given in milligrams (mg).   705     1092     822     527     815     917     1186     623     874     951     Find the following.  Where rounding is necessary, round to one decimal place.  What is the mean? [answer1] What is the median? [answer2] What is the standard deviation? [answer3] What is the first quartile?  [answer4] What is the is the 3rd quartile?  [answer5]  

In a market economy, who is responsible for making economic decisions?

An economy is functioning at full employment, but then workers in major industries are laid off. This change is represented by a movement from: :

The histogram below gives the relative frequency histogram of the cholesterol levels for a sample of patients at a hospital.     Use the graph to answer the questions below. 1) What percentage of the patients had a cholesterol level of at least 215?  [answer1] 2) What percentage of the patients had a cholesterol level between 205 and 220? [answer2] 3) If this sample represented 600 patients, how many of them had a cholesterol level between 200 and 215? [answer3]

  A choice of 5 burger and 4 bus tickets is…