emember to show your work where possible. Getting the correct answer only accounts for portion of marks For each of the

Post by **answerhappygod** » Mon May 23, 2022 11:21 am

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emember to show your work where possible. Getting the correct answer only accounts for portion of marks For each of the following exercises, identify: a. the population, b. the sample, c. the variable being tested. (8) a. A manager wants to determine the best time to give their employees a lunch hour, so they decide to survey 200 random individuals from the company, b. A marriage counselor wants to see what percentage of their client's divorce, so they send out letters to their most recent 50 patients. c. A zookeeper is responsible for monitoring the penguin habitat. They are interested in the health of adopted vs. biological chicks, so every time an egg is adopted by new parents, they track the growth and weight of the adopted chicks to make sure they are healthy. d. A swimming instructor is interested in the mean age of students when they attend their first swimming class, so they can plan for future classes. They examine the last on students in the database.
2. Indicate whether each of the following scenarios is an example of descriptive or inferential statistics. (8) a. A CRA employee records the average number of days (per year) that at least one employee in their department calls off sick. b. In order to determine the most popular skate trick at the park, a local skater watches the same 5 skaters, and ranks the ten most frequently done tricks. c. A wildlife biologist measures the mean number of honey bees from 7 different hives, He wants to determine how many wild flowers he should plant in the surrounding area. d. A local business is interested in knowing what the most popular women's shoe size is in their town, so they can stock appropriately. So, one day, they decide to survey the first 50 female customers and record their shoe sizes in a frequency table. The most frequent size is then stocked at a higher volume in the store
For the following scenarios, indicate whether the data would be classified as discrete, or continuous, and qualitative or quantitative (hint: some are ambiguous on purpose, justify your answer briefly). (16) a. A student records the 25 most popular colours of parrot in an enclosure at a wildlife facility. b. A wildlife biologist measures the wavelength (in nanometers) of each colourful parrot at a wildlife rescue, to the nearest tenth of a nanometer, c. A local bakery wants to know how satisfied their customers are so they ask every customer to rate their orders from 'bad' to 'excellent. then chart the results over the course of a week. d. A helicopter pilot records the amount of time (in seconds) it takes them to take off safely, over the course of one month.
Suppose you want to determine the mean number of students that attend Cambrian's basketball games over the course of one season. Describe a possible sampling method in a few brief sentences. (3) Given the following data below, determine (7): a. the summary statistics (5) b. Classify the data as discrete, continuous, & qualitative or quantitative (2). c. *OPTIONAL, EXTRA CREDIT (2): the standard deviation. y Rainfall During Rainy Season (ml) 92.6 40.0 17.0 3 48.3 85.1 6.0 74.3
You have a fair, well shuffled deck of 52 standard cards. Consider the following 'picks', and decide if there is enough information to determine if sampling was done with or without replacement. Justify your answer briefly (8). a. {Queen of Hearts, Queen of Spades, Queen of Jacks} b. {Two of Hearts, Four of Clubs, Two of Hearts} c. {Ace of Spades, Nine of Clubs, Queen of Hearts, Ace of Diamonds, Nine of Clubs) d. {Ace of Spades, Nine of Spades, Queen of Hearts, Ace of Diamonds, Nine of Clubs)