The test scores of 30 students are listed below.  Draw a st…

The test scores of 30 students are listed below.  Draw a stem-and-leaf plot that represents the data. Find the data set’s first, second, and third quartiles.  Draw a box-and-whisker plot that represents the data using the five number summary. Determine if the data contains any outliers. 31           14        45        48        52        55        56        56        63        65        67           67        69        70        70        74        75        78        79        79        80           81        83        85        85        87        90        92        95        99

The time, in minutes, people spent reading a music blog in a…

The time, in minutes, people spent reading a music blog in a day was analyzed.  Construct a frequency distribution, a frequency histogram, and a frequency polygon using five classes:  7          39        13        25        8          22        0          2          18        2 30        7          35        12        15        8          6          5          29        0 11        39        16        15                                                                   

You are conducting a survey on the number of pets per househ…

You are conducting a survey on the number of pets per household in your region.  From a sample with n=40, the mean number of pets per household is 15 pets and the standard deviation is 2 pets.    Using Chebychev’s Theorem, determine at least how many households have between 5 and 25 pets.