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      Find the following.  Summary Statistics 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] Save these results for use in the next three questions. 

Use the t-table to determine the critical value for a left-tailed hypothesis test with a level of significance of 0.05.  The sample size is n = 63. 

A study of 4500 residents of New York City indicated that 2097 of them lived in a rental unit.  Answer each of the following.  a)  What is the population?  [pop] b) What is the sample?  [samp] c) What percentage of the residents of New York City lived in a rental unit?  [per]

The histogram below gives the frequency of temperatures recorded in a local city recently. Use the graph to answer the following questions.  1. On how many days was the temperature at least 80? [ans1] 2. What percentage of the days had a temperature below 75? [ans2] 3. What was the lowest temperature?[ans3]

A study of 1200 residents of Culver City indicated that 35.5% of them had attended the July 4th Fireworks. Answer each of the following. a)  What is the population?  [pop] b) What is the sample?  [sam] c) How many of the residents in the sample said they had attended the July 4th Fireworks?    [num]

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     1192     822     427     851     917     1186     623     874     951     Find the following.  Where rounding is necessary, round to one decimal place.  Summary Statistics 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] Save these results for use in the next three questions. 

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. What percentage of the patients had a cholesterol level of at least 210?  [answer1] What percentage of the patients had a cholesterol level between 200 and 220? [answer2] If this sample represented 400 patients, how many of them had a cholesterol level between 200 and 215? [answer3]

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.  Summary Statistics 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] Save these results for use in the next three questions. 

Identify each of the following variables as qualitative, quantitative continuous, or quantitative discrete and then identify the appropriate level of measurement.  1. Number of marbles in a jar     a. [qual]     b. [lev] 2. T-shirt size as Small, medium, large    a. [qual2]    b. [level2]

Determine whether the underlined quantity represents a parameter or a statistic and indicate why.  A poll of 25 people who went to Disneyland last Saturday indicated a mean of $25.75 spent on food at the park.