For the first interval you need to calculate a T-confidence interval for the sample population. Using the data set you collected in Week 1, excluding the super car outlier, you should have calculated the mean and standard deviation during Week 2 for price data. Along with finding a p and q from Week 3. Using … Read more
Many statistics and statistical tests can be computed by hand and by using statistical software or programs like Microsoft Excel. Many statistics and statistical tests can be computed by hand and by using statistical software or programs like Microsoft Excel. Watch the LinkedIn Learning video, “Understanding standard deviation,” available via the access link in the … Read more
Calculate the average for your data set. Recall the car data set you identified in Week 2. You will want to calculate the average for your data set. (Be sure you use the numbers without the supercar outlier) Once you have the average count how many of your data points fall below the average. You … Read more
Prepare a short presentation that explains some foundational aspects of hypothesis testing for the middle school civics class. You have been asked to prepare a presentation for your local middle school civics class. The students have been seeing and hearing information online about statistics and statistical significance leading up to the presidential election. They are … Read more
Use Excel to find the following descriptive statistics for the price data. Using the data set that you identified in week 1, use Excel to find the following descriptive statistics for the price data. Descriptive statistics: Mean Median Standard Deviation Use these summary statistics to make two conclusions or observations about the typical vehicle in … Read more
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