Category: Mathematics and Statistics : Mathematics

Task 4: Problem Solving – Assignment Assignment Rubric Assignment Rubric – Alternative Formats This task requires you to complete an assignment, which will focus on creating 2 math problems. The focus will be grades 1 to 8. You will create two original math problems; one at the primary level and one at the junior level. To get in…

The mean and median of Al’s n = 3 observations both equal 10. The mean and median of Bev’s n = 5 observations both equal 18. (a) Carol combines Al’s and Bev’s data into one collection of n = 8 observations. Can the mean of Carol’s data be calculated from the information given? If you…

A sample of size 40 yields the following sorted data. Note that I have x-ed out x(39) (the second largest number). This fact will NOT prevent you from answering the questions below. 14.1 46.0 49.3 53.0 54.2 54.7 54.7 54.7 54.8 55.4 57.6 58.2 58.3 58.7 58.9 60.8 60.9 61.0 61.1 63.0 64.3 65.6 66.3…

Consider an unbalanced study with six subjects, identified as A, B, C, D, E and G. In the actual study, • Subjects A and B are assigned to the first treatment, and the other subjects are assigned to the second treatment. • There are exactly two successes, obtained by A and C. This information is…

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Consider the following scenario: Suppose a population of fruit flies is introduc Consider the following scenario: Suppose a population of fruit flies is introduced to a disease and decreases at a rate of at a rate of 15% in flies per day. Suppose the initial population of fruit flies is 950 flies. Collaborate with your peers to…

Consider the following scenario: A car travelling down a road begins to decelera Consider the following scenario: A car travelling down a road begins to decelerate at a constant rate. The speed of the car before decelerating was 78 feet per second. Choose your own value for the constant deceleration rate of the car based…

1.     A questionnaire measures an index of risk-taking behavior in respondents. 1.     A questionnaire measures an index of risk-taking behavior in respondents. Scores are standardized so that 100 represents the population average. The questionnaire is applied to a sample of teenage boys and girls. The data for boys is {72, 73, 86, 95, 95, 95,…

The centripetal force of an object of mass  is given by ?(?)=??^2/?, where ? is The centripetal force of an object of mass  is given by ?(?)=??^2/?, where ? is the speed of rotation and ? is the distance from the center of rotation. Draw a graph or figure to represent this situation using Desmos.com Describe how the concepts of calculus can be applied in this case.…