Question
Significance test for a mean with review of confidence interval for a mean Statistical analysis applications You can use the Art of Stats applications at
Significance test for a mean with review of confidence interval for a mean
Statistical analysis applications
You can use the Art of Stats applications at https://artofstat.com/web-apps
- Describing and exploring quantitative data https://istats.shinyapps.io/EDA_quantitative/
- Inference for a mean https://istats.shinyapps.io/Inference_mean/
- The t distribution https://istats.shinyapps.io/tdist/
Information for homework 4:
Use the data from the 2018 General Social Survey. The raw data are in the filegss_2018_tvhours.txt; a frequency distribution of the variable is in the filegss_2018_tvhours.xls; and the data are available in the Art of Stat app Inference for a Population mean as Data From Textbook, and the Dataset TV Hours. The data are a random sample from the adult population in the US.
Variable
Hours watching TV each day TVHOURS
Survey question: On the average day, about how many hours do you personally watch television?
Descriptive statistics calculated at https://istats.shinyapps.io/Inference_mean/
Descriptive Statistics: | ||
Sample Size | Sample Mean | Sample Standard Deviation |
1,555 | 2.938 | 2.837 |
12 points
- Draw a boxplot to show the distribution of number hours of TV watched each day. Label the x-axis of the graph with a description of the variable. Provide a title for the graph that gives the source of the data. (Hint: use the application for exploring quantitative data.)
Hint: You can copy and paste your graph here
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