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. 

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 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. 

A cricket in the wild has a lifespan that lasts a mean of 63.2 days with a standard deviation of 9.4 days.  Assume that the lifespan of a cricket is bell-shaped.  1. Approximately 68% of crickets in the wild live between approximately [ans1] days. 2. If a random sample of 400 crickets in the wild is chosen, approximately how many would be expected to live at least 44.4 days? [ans2] 3. Approximately what percentage of crickets in the wild live between 53.8 and 82.0 days?  [ans3] 4. Approximately what percentage of crickets in the wild live less than 44.4 days? [ans4]

For each of the following variables, determine whether the variable is qualitative, quantitative discrete or quantitative continuous, and then determine the level of measurement.  1. The number of customers in a bakery.   [qu] and [level] 2. The type of cookie ordered by a customer in the bakery. [qu2] and [level2]

What is the best predicted shape of a data set if the mean is 270 and the median is 278?

The histogram below represents the time, in minutes, for a sample of children to get to school each day.  Use the graph to answer the questions below.  1. What is the variable in this data set?  [var] 2. How many of the children took at least 20 minutes to get to school?  [atl] 3. What percentage of the children took between 10 and 30 minutes to get to school?  Round to the nearest whole percent.  [btw]

Suppose the math department at SMC is interested in the scores on the first exam of students in math 54.  A random sample of 3 students is chosen from each of the Math 54 classes and the grade on the first exam for these students is recorded.  This is an example of what type of sampling?

A company that bags apples for sale determines that the mean weight of an apple is 85 grams with a standard deviation of [x] grams.  If the company determines that apples that weigh less than [y] standard deviations below the mean weight (in grams) are not suitable for sale, below what weight are the apples unsuitable?  Enter your response below rounded to one decimal place.