A true experiment where ½ the sample is randomly assigned to treatment, the other ½ to control.Is this statement related to between or within-subjects design? Group of answer choices Within-subjects design Between-subjects design Between and within subjects design None of the Above

Help with number 1 and 2

Which of the following scenario is an example of a matched-pairs design? Group of answer choices comparison of the aggression scores of boys and girls comparison of third-grade boys to the known population comparison of the aggression scores when are in third grade, then in fifth grade comparison of the aggression scores of third-grade students and fifth-grade students matched on gender

A survey was conducted to determine whether hours of sleep per night are independent of age. A sample of individuals was asked to indicate the number of hours of sleep per night with categorical options: fewer than 6 hours, 6 to 6.9 hours, 7 to 7.9 hours, and 8 hours or more. Later in the survey, the individuals were asked to indicate their age with categorical options: age 39 or younger and age 40 or older. Sample data follow. Age Group Hours of Sleep 39 or younger 40 or older Fewer than 6 38 36 6 to 6.9 60 57 7 to 7.9 76 74 8 or more 66 93 (a) Conduct a test of independence to determine whether hours of sleep are independent of age. (b) What is your estimate of the percentages of individuals who sleep fewer than 6 hours, 6 to 6.9 hours, 7 to 7.9 hours, and 8 hours or more per night?

Please provide solution for the question attached, thank you!

why are we using the number of events=19 for the sample proportion part of the equation, instead of the actual sample proportion=0.19?

Please help. Suppose we roll a regular six die three times.

Write out the sample space for the given experiment. Use the following letters to indicate each choice: M for mushrooms, A for asparagus, S for shrimp, E for eggs, I for Italian, and H for honey mustard. When deciding what you want to put into a salad for dinner at a restaurant, you will choose one of the following extra toppings: mushrooms, asparagus. Also, you will add one of following meats: shrimp, eggs. Lastly, you will decide on one of the following dressings: Italian, honey mustard.

Help Please

Would love the help.15