Suppose that 6 people sign up for a weight loss program. You collect their weights before and after the program: The lower bound for the 95% Confident Interval is ........... (round your answer to three decimal places). Person After Before 1 136 125 2 205 195 3 157 150 4 138 140 5 175 165 6 166 160

A professor is trying to gauge whether or not her style of teaching helps her students enjoy math. To do this, she has her students fill out surveys about their own math-friendliness at the beginning and end of the course, where higher scores are better. The data that she collected is given below.   Before After 5 8 7 6 4 5 8 2 4 4 3 5 1 3 3 3 6 5 4 7 7 6   Measure each difference as the sum of the survey questions at the end of the course minus the sum of the survey questions at the beginning of the course and find the corresponding test statistic. Round to two decimal places. Provide your answer below:   t=

After three exams Denny has a mean score of 74 with only one exam remaining in the class what is the minimum score she will need on that exam to have an overall of an 80

Jessica counts how many customers have come into her restaurant for the past 30 days.  The table below shows the number of customers per day. 135 137 136 137 138 139 140 139 137 140 142 146 148 145 139 140 142 143 144 143 141 139 137 138 139 136 133 134 132 132 She would like you to create a histogram for her starting at 130 with a bin width of 5.  Which bar is the tallest?      The first bar     The second bar     The third bar     The fourth bar

The following data set outlines the scores students had on an Algebra test. 40 40 40 40 40 40 41 41 42 43 43 43 43 43 44 44 44 44 45 45                       i) Fill in the frequency table(below) Scores Score Frequency 40   41   42   43   44   45

The table contains data on the admission price​ (in dollars) for​ one-day tickets to 10 theme parks in the United States. Find the interquartile range for this data set.   57 61 43 42 30 49 62 40 37 40

Suppose there are 5 students in a room. The mean age is 19.8 years, and the median age is 19. If the youngest person leaves and is not replaced by another person, what happens to the mean and the median? O The mean and median increase. The mean increases, and the median either increases or stays the same. The mean increases, but it is impossible to determine whether the median increases, decreases, or stays the same. The mean increases, and the median stays the same. The median increases, and the mean either increases or stays the same.

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