Calculus Module 9

 The data represents the daily rainfall? (in inches) for one month. Construct a frequency distribution beginning with a lower class limit of  0.00  and use a class width of  0.20.  Does the frequency distribution appear to be roughly a normal? distribution? 

Conduct the following descriptive statistics analysis using the data set in attached Excel. Answer the questions in the spreadsheet or a separate Microsoft Word document. Insert a new column in the database that corresponds to AnnualSales. AnnualSales is the result of multiplying a restaurant’s SqFt by Sales/SqFt. Calculate the following: mean standard deviation skew 5-number…

A Survey of 30 people to find out if they are left-handed or right-handed, and use the following chart to create a contingency table with the information. Left handed= 6  Right handed = 24 Total Female lefty =4 righty=16 Male lefty Total= 2 righty=8 Answer the following questions about the information in your contingency table:…

 Give an example of an interval estimate of an average or proportion you may use in your daily life. For instance, you may say that you are pretty sure your average commute time is between 25-30 minutes, or you are fairly confident that between 60-65% of the population love dogs. Collect some data to see…

Chi-square tests are nonparametric tests that examine nominal categories as opposed to numerical values. Consider a situation in which you may want to transform numerical scores into categories. Provide a specific example of a situation in which categories are more informative than the actual values. Suppose we had conducted an ANOVA, with individuals grouped by…

Scenario A tech company has developed a new compact, high efficiency battery for hand-held devices. Market projections have estimated the cost and revenue of manufacturing these batteries by the equations graphed attached below.  Assessment Instructions Show and explain all steps in your responses to the following parts of the assignment. All mathematical steps must be…