Each of the following scenarios includes an example of either descriptive statistics or inferential statistics.  Categorize each as either descriptive or inferential. A project manager tracks the completion times of different project phases and finds that the average phase completion time is 25 days.  She then estimates that future project phases will take between 24 and 26 days on average.  A restaurant tracks the number of customers served each day for a month and finds that the average number of daily customers is 250.  A hospital records the blood pressure readings of 300 patients and reports that the average systolic blood pressure is 130 mmHg.  In 2024, nearly 2 million students took the SAT.  According to Horizon Education, the average SAT Math score for students in the United States was 505 out of a possible 800.  Using this information, a high school guidance counselor predicted that the scores in 2025 at his high school will average between 495 and 515. 

Which of the following is the most specific laboratory test to diagnose chronic myelogenous or myelocytic leukemia?

Which of the following would be an unexpected finding in chronic myelogenous or myelocytic leukemia?

Crate and Barrel carries only two electric can openers, as shown below. For a variety of reasons, they would like to sell more of the Cuisinart can opener. Using what you know about consumer decision making, how would you recommend they change their assortment (i.e., the number and type of can openers they sell, NOT the price of the current options) to sell more of the Cuisinart? As part of your answer, please explain what principle of decision making you are basing your answer on (8 points total).

What was your favorite part of the class and why?

Different consumers can go through very different decision making processes for the same product, depending on their level of motivation/involvement with the decision. Take Jane and Jeff as examples. They have both just bought a new, front loading washer/dryer set. Jane engaged in extended problem solving while Jeff engaged in limited problem solving. Both of them went through all five stages of the decision making process, but some of these stages looked very different.     It is likely that Jane and Jeff’s problem recognition was similar in that they both recognize a difference between their state and their state. (1 point for each blank, 2 points total)  

Examples of individuals who may have an increased risk for malnutrition include  

(8 points) A 95% confidence interval for the regression coefficient for X1 is:

(9 Points) The above stem and leaf diagram was constructed from a time series. What type of behavior does this time series exhibit?

2. (5 Points) Suppose that the time series consists of independent observations with variance