Math 302 week 2 - Study guides, Class notes & Summaries

1. Question: What was the sampling method that was used in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local park in San Antonio, Texas. The first house in the neighborhood around the park was selected randomly, and then the resident of every eighth house in the neighborhood around the park was interviewed. 2. Question: What kind of data is "the colors of the houses around the park" in the scenario? ...

MATH 302| STATISTICS| WEEK 5 QUIZ WITH ANSWERS| 2024 Question 1 1 / 1 point The population standard deviation for the height of college baseball players is 3.0 inches. If we want to estimate 95% confidence interval for the population mean height of these players with a 0.68 margin of error, how many randomly selected players must be surveyed? (Round up your answer to nearest whole number, do not include any decimals) Answer: 75 Hide Feedback Z-Critical Value = NORM.S.INV(.975) = 1.96 n = 32...

1. Question: What was the sampling method that was used in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local park in San Antonio, Texas. The first house in the neighborhood around the park was selected randomly, and then the resident of every eighth house in the neighborhood around the park was interviewed. 2. Question: What kind of data is "the colors of the houses around the park" in the scenario? ...

MATH 302| STATISTICS| WEEK 1 QUIZ| 2024| Question 1 1 / 1 point Duration (amount of time) is what type of data in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local park in San Antonio, Texas. The first house in the neighborhood around the park was selected randomly, and then the resident of every eighth house in the neighborhood around the park was interviewed. Question 2 Qualitative Quantit...

MATH 302 EXAM QUESTIONS AND CORRECT ANSWERS GRADE A+ GUARANTEED PASS. What is the sampling method used in the following scenario? The librarian at a public library wants to determine what proportion of the library users are children. The librarian has a tally sheet on which she marks whether books are checked out by an adult or a child. She records this data for every fourth patron who checks out books. A. systematic B. cluster C. convenience D. stratified E. simple random Answer ...

MATH 302 TEST 1 EXAM QUESTIONS AND CORRECT ANSWERS. Part 1 of 5 - Section: Data & Sampling 4.0/ 5.0 Points Question 1 of 20 1.0/ 1.0 Points “Number of times per week” is what type of data in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then the resident of every eighth car in the lot around the gym was...

MATH 302 TEST 1 EXAM QUESTIONS AND CORRECT ANSWERS. An Excel generates 200 random numbers, and 200 people whose names correspond with the numbers on the list are chosen. What type of sampling was used?  A. Convenience  B. Systematic  C. Simple Random  D. Stratified  E. Cluster Answer Key: C Question 2 of 20 1.0/ 1.0 Points What is the sampling method used in the following scenario? A woman in at a daycare is handing out questionnaires to parents asking them to eva...

Week 2: Frequency distributions and graphs; Data description Using the data set that you identified in week 1, use Excel to find the following descriptive statistics for the price data. Descriptive statistics: Mean Median Standard Deviation Use these summary statistics to make two conclusions or observations about the typical vehicle in the sample. One conclusion must relate to the measure of center (mean/median) and one to the variability (standard deviation) of the vehicles. Next,...

MATH 302| STATISTICS| WEEK 3 QUIZ WITH ANSWER KEY| 2024 If random variable X has a binomial distribution with n =10 and P(success) =p =0.2, find the probability that X is less than 6. (That is, find P(X<6) Answer: (round to 4 decimal places) Answer Key:0.9936|.9936 P(x < 6) = P(x is less than or equal to 5), in Excel =BINOM.DIST(5,10,0.2,TRUE) Approximately 8% of all people have blue eyes. Out of a random sample of 20 people, what is the probability that at most 2 of them have blue ey...

MATH 302 TEST 1 EXAM QUESTIONS AND CORRECT ANSWERS. An Excel generates 200 random numbers, and 200 people whose names correspond with the numbers on the list are chosen. What type of sampling was used?  A. Convenience  B. Systematic  C. Simple Random  D. Stratified  E. Cluster Answer Key: C Question 2 of 20 1.0/ 1.0 Points What is the sampling method used in the following scenario? A woman in at a daycare is handing out questionnaires to parents asking them to eva...