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MATH 225N Week 4 Statistics Quiz – Question and Answers Alice sells boxes of candy at the baseball game and wants to know the mean number of boxes she sells. The numbers for the games so far are 16,14,14,21,15 Given the following list of prices (in thousands of dollars) of randomly selected trucks at a car dealership, find the median…… 20,46,19,14,42,26,33 Each person in a group shuffles a deck of cards and keeps selecting a card until a queen appears. Find the mode of the … following n...

MATH 225N Week 4 Discussion, Probability Consider when you are listening to a new patient who says they have had a fever for 3 days. You would use your knowledge and experience … with probability to come to a diagnosis. What changes those probabilities? Is it age, is it other symptoms, is it new study results? What is the source of these probabilities and what causes these … probabilities to change? This discussion is not to debate diagnoses, but to focus on the sources and influences on pr...

MATH 225N Week 4 Homework Questions Probability Which of the pairs of events below is dependent? Identify the option below that represents dependent events. …shows mutually exclusive events? Which of the pairs of events below is mutually exclusive? A deck of cards contains RED cards numbered 1,2,3,4,5,6, BLUE cards numbered 1,2,3,4,5, and GREEN cards numbered 1,2,3,4. If a single card is … at random, what is the probability that the card has an ODD number? Hector is a baseball fan but wants...

MATH 225N Week 3 Central Tendency Questions and Answers Given the following box-and-whisker plot, decide if the data is skewed or symmetrical. Which of the following frequency tables show a skewed data set? Select all answers that apply. Which of the following frequency tables show a skewed data set? Select all answers that apply. For the following dataset, you are interested to determine the “spread” of the data……Would you employ calculations for the sample standard deviation, or popul...

MATH 225N Week 2 Assignment, Frequency Tables Question and Answers A data set is … in the frequency table below. Using the table, determine the number of values less than or equal to 5. Give your answer … as a single number. For example if you found the number of values was 19, you would enter 19. Given the frequency table, how many times does the data value 3show up in the data set? A group of students were … about the number of siblings they have. The frequencies and relative frequencie...

MATH 225N Week 2 Statistics Quiz – Question and Answers A company has developed a wristband for monitoring blood sugar levels without requiring direct blood samples. It is interested in demonstrating the accuracy of the device for governmental approval and has decided to test … the claim “The glucose level reported by the wristband is within 10%of a standard blood test result.” Which of the following data collection processes would be appropriate? Select only one answer choice. A farmer...

MATH 225N Week 1 Assignment Sampling Methods – Questions and Answers Assume that 80 houses are present in the form of a grid consisting of 10 columns and 8 If a loud speaker is placed just before the first row, which sampling method works the best to select a sample of houses if we … want to get an estimate of the average loudness (measured in decibels) near all the 80 houses? Angela is studying the mean blood pressure of all students attending her college. She collects data from the … 38...

MATH 225N Week 1 Evidence, Claims, and types Questions and Answers A study is … to research the effects of drinking coffee on hours of sleep. Would an experimental or … observational study design more appropriate? A researcher is … in the effects of watching videos just before bed on the quality of sleep. Which of the following claims would … appropriate for this situation? Select only one answer choice. In a psychological study aimed at testing a medicine for reducing stress levels, th...

MATH 225N Week 1 Assignment Comparing Sampling Methods Q & A A television station plans to send a crew to a polling center on an election day. Because they do not have time to interview … each individual voter, they decide to count voters leaving the polling location and ask every 20th voter for an interview. What type of sampling is this? In order to study the shoe sizes of people in his town, Billy samples the population by dividing the residents by age and randomly … selecting a proporti...