Assignment 4

Assignment 4: Measures of Central Tendency Assignment The following data are a random sample of the star ratings on a movie review website for this week's new release. Rating 1 star 2 stars 3 stars 4 stars 5 stars Frequency 32 6 18 42 93 What is the modal rating? What is the median rating? What is the mean rating? Based on these statistics, what conclusions can you draw about the movic? Find a six-sided die (if you don't have one at home, find a website that emulates dice rolls). If you were to roll the die 20 times, what would you expect the mean number to be? The median? The mode? Record the outcome of 20 rolls, and organize the data in a frequency table. Calculate the mean, median, and mode of your data. Are the actual statistics close to your predictions? Speculate why they are or are not. A seller of handmade jewellery is tracking her sales, categorized by the type of jewellery -earrings, necklaces, rings, bracelets, etc. What measure of central tendency would be most helpful in analyzing this data? The table below shows the age ranges of respondents to a survey. Age Range (years) Number of Respondents 18 to under 25 32 25 to under 35 47 35 to under 50 28 50 to under 65 12 65 to under 80 2 Find the median age range Estimate the mean age of respondents. Based on these statistics, describe the type of people who might be most likely to respond to this survey