A simple random sample of 5 observations from a population c…
Questions
A simple rаndоm sаmple оf 5 оbservаtions from a population containing 400 elements with μ= 20 was taken, and the following values were obtained.12, 18, 19, 20, 21A point estimate of the population mean is ____________.
(Tаble: Cоefficients) The tаble includes infоrmаtiоn for creating a regression equation to predict students' attitudes toward statistics from their attitudes toward Sza and beer.Table: Coefficentsa Unstandardized Coefficients Standardized Coefficients t F Model B Std. Error Beta Constant 22.154 30.331 1.134 0.262 attSza 0.309 2.247 0.016 1.736 0.192 attBeer 0.478 0.103 0.548 4.588 0.000 a Dependent variable: Attitude toward statistics.What is the y intercept for this problem?
1. (50 pоints) A lоcаl flоwer shop wаnts to set up their dаtabase. They are trying to keep track of the following: their customers - customer ID, first name, last name, phone, and email. They also want to keep track of the customers’ order information such as the order ID, order date, total amount. They want to also keep track of which flowers are ordered: flower ID, name, and type. You can add additional information or details if you wish. A. Brainstorm the above scenario and type in the space provided or on the Word document the ENTITIES the local flower shop will need to keep track of. (5 points) B. Brainstorm the above scenario and type in the space provided or on the Word document the ATTRIBUTES the flower shop will need to keep track of per ENTITY, explain any CONSTRAINTS the attributes may have, also identify PK and FK attributes. (5 points) C. Brainstorm the above scenario and type in the spaced provided or on the Word document what form of relationship each ENTITY will have with one another. (5 points) D. Brainstorm the above scenario and type in the space provided or on the Word document the CARDINALITY between the ENTITIES. (5 points) E. Finally, create the Logical (15 points) and Physical (15 points) ERD for this scenario. (30 points total - Insert the diagram on the Word document per instructions above) ________________________________________________________________________________ (50 points) A Parks and Recreation department organizes a variety of activities throughout the year - like fitness classes, art workshops, sports leagues, and community events. They need a centralized database to manage activities, track participants registrations, and coordinate staff. You can add additional information or details if you wish. A. Brainstorm the above scenario and type in the space provided or on the Word document the ENTITIES the parks and recreation department will need to keep track of. (5 points) B. Brainstorm the above scenario and type in the spaced provided or on the Word document the ATTRIBUTES the parks and recreation department will need to keep track of per ENTITY, explain any CONSTRAINTS there might be on the attributes, identify PK and FK attributes. (5 points) C. Brainstorm the above scenario and type in the space provided or on the Word document what form of relationships each ENTITY will have with one another. (5 points) D. Brainstorm the above scenario and type in the space provided or on the Word document the CARDINALITY between the ENTITIES. (5 points) E. Finally, create the Logical (15 points) and Physical (15 points) ERD for this scenario. (30 points total - Insert the diagram on the Word document per instructions above) ______________________________________________________________________________ (50 points) A hair salon wants you to set up their database. They want to keep track of their customers (you can decide on what information to keep track of for the customers). They want to keep track of their stylists (you can decide what information to keep track of for the stylists). They want to keep track of the schedule between the customers and the stylists. (Payment information is not needed). A. Brainstorm the above scenario and type in the space provided or on the Word document the ENTITIES the salon will need to keep track of. (5 points) B. Brainstorm the above scenario and type in the space provided or on the Word document the ATTRIBUTES the salon will need to keep track of per ENTITY, explain any CONSTRAINTS there might be on the attributes, identify PK and FK attributes. (5 points) C. Brainstorm the above scenario and type in the space provided or on the Word document what form of relationships each ENTITY will have with one another. (5 points) D. Brainstorm the above scenario and type in the space provided or on the Word document the CARDINALITY between the ENTITIES. (5 points) E. Finally, create the Logical (15 points) and Physical (15 points) ERD for this scenario. (30 points total - Insert the diagram on the Word document per instructions above) Upon completion of this exam, please follow these steps: Save your Word document to the Desktop using the following naming convention: "ITD256_Midterm_yourfirstlastname" Click the "Choose File" link at the bottom of this exam page in Canvas Choose your Word document from the Desktop(You should have ONE file.) If for some reason you have multiple files - please zip/compress files into one folder, then upload. Click Submit