Please help with my Statistics Assignment?
1. Compute for the mean, median, and mode of the lengths of mosquitoes' lives in seconds after being sprayed with Insecticide A. 13 14 23 22...
1. Compute for the mean, median, and mode of the lengths of mosquitoes' lives in seconds after being sprayed with Insecticide A. 13 14 23 22...
I'm getting confused about this things: 1. My teacher said that Nominal,Ordinal,Interval and Ratio has their own appropriate measures of location. for example: For Nominal the appropriate measures...
1. Listed below are the number of years it took for a random sample of college students to earn a bachelor's degree. At the .05 significance level, test the claim that it takes the average student...
1. When 50 people used the 5-2 fast diet for one year, their mean weight loss was 5 pounds and the standard deviation was 4 pounds. Use a .05 significance level to test the claim that their average...
if we know the confounding variables but can not control them, what shoulde we do?
All I need is an example.
In a poll of 20 students trying to register for classes, the time it took to complete the process had a standard deviation of 8 minutes. Construct a 95% confidence interval for the population standard...
in a poll of 212 prison wardens, 98 said that tattoos are a sign of trouble. Find the sample proportion who think tattoos are a sign of trouble. 1. Using the problem above, to...
In a poll of 212 prison wardens, 98 said that tattoos are a sign of trouble. Find the sample proportion who think tattoos are a sign of trouble. Using the problem above, to test the...
Find a 99% confidence interval for the population mean for a sample of size 36 that yields a mean of 78 and a standard deviation of 6. Assume sigma, the population standard deviation, is unknown. A)...
The mean and the standard deviation of the sampled population are, respectively, 113.9 and 32.1. n = 6
Confidence Interval: x_bar ± zc(s/√n) The margin of error is: E = zc(s/√n) Using those formulas, respond to the following questions and support your response by referring to the formula: What...
Excel's built-in statistical functions can be supplemented with the Analysis Toolpak. If you are not sure how to load an Add-In into Excel, this video demonstrates the simple technique and shows you how to get started with the Analysis Toolpak....
Students in a college class were asked to time how long it takes them in minutes to get ready in the morning. Here were the responses: 14, 28, 5, 12, 56, 32, 2, 17Construct a 90% confidence interval...
If you want to find the percentage of people who are left-handed, how many people must we survey in order to be 99% confident that we are within 3 percentage points of the population percentage? Assume...
Based on observed males using public restroom, 85% of adult males wash their hands in public. In a survey of 523 males, 518 reported they wash their hands in public restrooms. Assuming the 85% rate...
1. Coke cans are filled with 12 ounces of soda with a standard deviation of 0.11 oz. Find the probability that in a sample of 49 cans, the mean will be greater than 12.10 ounces (profit waste)...
if the mean of sat scores is 1900 and the std dev is 100 what do you have to make to be in the upper 16%
How do I do this what formulas can be used in excel and otherwise?
olga currently leads the 8th grade girls team in scoring with a total of 50 points. Thomas leads the 8th grade boys team with a total of 52 points. which player should get the midseason...