Please double- or triple-check your work. Read the instructions for each question carefully to make sure you are entering the correct value (for example, whether it's asking for probability or percentage chance) and rounding to the appropriate decimal place.
Note:For percentage answers, donotinclude the % symbol. Just type in the numeric part of the answer.
D Question 3 0 pts What is the mean for these students' quiz scores? Extra Credit Question worth 2 points. D Question 4 10 pts What is the range for these students' quiz scores? D Question 5 10 pts What is the standard deviation for these students' quiz scores?D Question 6 10 pts What is the variance for these students' quiz scores? D Question 7 10 pts What is the IQR for these students' quiz scores? D Question 8 5 pts The dot on a box plot represents: O the median O the mean O the range O the interquartile rangeD Question 9 5 pts Below are final course grade statistics for two different instructors. Use this information for the next two problems. Instructor A: Mode = 84 . Median = 81 Mean = 82.53 Range = 39 . Standard Deviation = 5.17 . Variance = 26.73 Instructor B: . Mode = 76 . Median = 75 Mean = 74.66 . Range = 53 Standard Deviation = 9.19 Variance = 84.46 Which Instructor had the highest average final course grades? O Instructor A Instructor BD Question 10 5 pts Which Instructor had the most variability in final course grades? O Instructor A O Instructor B D Question 11 5 pts What is the percentage chance of rolling a 6 on a standard six-sided die? D Question 12 5 pts What is the probability of flipping a coin three times and getting the following: A tails and a tails and a headD Question 13 Use the following table for the next two problems: Gender Pets Woman Man Woman Non-Binary Man Dog Transwoman Dog Woman Cat Woman Fish Man Cat Woman Cat Man None What is the percentage chance of choosing someone who owns a cat from this group? D Question 14 5 pts What is the probability of choosing a man or someone who owns sh from this group? l; Question 15 Use this information for the next 2 questions: The average price for a particular car is $20,300 with a standard deviation of $1,600. You are shopping for that car and get offered a price of $21,950. What is the z-score for this price? D Question 16 5 pts What percentage of people paid a lower price than what you were offered? l; 1:) Question 17 5 pts Use this information for the next 3 questions: On a standardized test, Jose scored an 87 and Mia scored a 74. The distribution of test scores for the population is normal with a population mean of 76.28 and a population standard deviation of 7.02. What percentage of people received a higher score than Jose? D Question 18 5 pts What percentage of people scored lower than Mia? Question 19 0 pts What percentage of people scored in between Jose and Mia? Extra Credit Question worth 5 points. Question 20 0 pts A student is taking an exam and doesn't know the answers to four of the questions, so they decide to guess randomly on all four of them. Two of the questions are true/false questions, one is a multiple choice question with 4 possible answers, and one is a multiple choice question with 5 possible answers. What is the percentage chance that they will answer all four questions correctly? Extra Credit Question worth 5 points. Question 21 0 pts Identify the independent variable in the following hypothesis: A person's opinion on immigration reform is inuenced by their age. Extra Credit Question worth 2 points. 0 opinion on immigration reform 0 age 0 gender 0 not enough information Question 22 0 pts Identify the measurement type for the following variable: Stress level classied as very stressed, moderately stressed, somewhat stressed, not stressed. Extra Credit Question worth 2 points. 0 Nominal O Ordinal O Interval/Ratio D Question 23 0 pts If nominal data is presented in a round figure with sections representing percentages for each variable, the figure is a: Extra Credit Question worth 2 points. O Pie Chart O Bar Chart O Histogram O Frequency Polygon