Statistics Research Project

Statistics Research Project

• Is the study a survey, experiment, or oberservational study? How do you know?
• Discuss any bias in your sample. If bias does not exist, explain why?
• In your opinion, how accurate is your study when applied to the whole population? Why

Responses

• Our survey is an survey study, Im asking individuals about their suspect hair wash.
• Our bias is what individuals like and look for in a hair wash like male and female. What products fit better with other products that they were questioned about according to the answers from their survey.

continued

• According to the graphs based off my survey I think my survey is very accurate to the rest of the population because I know individuals and how other like and want their hair to after a wash. People tend to find things helping with moisturizing and anti-dandraff.

Sample Proportion: 25.5/50

Standard Error

Standard Deviation

Sample mean & Standard Error

According to my calculations, females are more likely to buy shampoo that helps them with oily hair while males buy shampoo to help with dry hair. They mainly buy products that helps with moisturizing. Majority of the people have curly/wavy hair.