✓XA group of teenagers is chosen randomly and asked which of three indoor activities they preferred. Of the 126 teenagers, 36 preferredlistening to music, 16 preferred reading, and the rest preferred going online or playing video games. Do these responses indicate a preferenceamong teenagers in general?Write a conclusion in the context of the problem.Previousm3edBI UAA LEE x x, 12ptC$4rf%5VtgOll6DELLbyh&7O8"JInm9kParagraphAO)OaltChP-V....Nextctrl+L11?1back

Given information: n=126 total observation k= 3 categories

Answered: A group of teenagers is chosen randomly…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A manufacturing process can produce some parts that are not acceptable. Each of four parts is classified as acceptable or not acceptable. Use a for acceptable and n for not acceptable. List all the possible outcomes
A researcher randomly selects 95 high school students and asks their handwriting preference and how well they dance. The two-way table displays the data. Suppose one of the students is randomly selected. Let B = the student prefers writing in block letters and F = the student’s dancing skills are fair. Which of the following is the correct value and interpretation of P(B|F)? P(B|F) = 0.37; given that the student has fair dancing skills, there is a 0.37 probability that they prefer to write with block letters. P(B|F) = 0.37; given that the student prefers to write with block letters, there is a 0.37 probability that they have fair dancing skills. P(B|F) = 0.45; given that the student has fair dancing skills, there is a 0.45 probability that they prefer to write with block letters. P(B|F) = 0.45; given that the student prefers to write with block letters, there is a 0.45 probability that they have fair dancing skills.
These box plots show the basketball scores for two teams. Bulldogs 55 70 80 90 105 Wolverines 35 80 85 96, 30-35 40 45-50 55 0O 65 70 75 60 05 90-95 100 105 110 Basketball scores Which statement is the most appropriate comparison of the spreads?
Help solve please!
20 high school Spanish teachers attended an summer course to improve their listening skills. They took the MLA listening test both before and after the course. Before the course they had a mean of 27.3 with s=8.04. After the course they had a mean of 28.75 with s=2.74. We want to know if the course improves scores. A.) State an appropriate Ho and Ha. B.) Carry out a test. Can you reject at the 5% significance level? at the 1% level?
The two-way table below reflects the responses from a group of middle and high school students regarding cell phones. What is the best interpretation of the number "25" in the table? would It be There are 25 people have a cell phone 25% of the people are 10 to 12 year old's Out of all 170 people surveyed, only 25 have a cell phone or There are 25 ten to twelve year old's that have a cell phone
a. Which measure of association would be most appropriate for these variables? b. What is the value of the measure of association? c. What is the strength of the association? d. Would be appropriate to interpret a direction for the association? If so, which direction is the association between the two variables?
A study has been done to determine to see if the level of education determines how often people move between different states in America. Find P(High School Diploma OR lived in 1 state). Lived in Lived in Total Just 1 State 2 or more States No High School Diploma 2 High School Diploma 14 16 30 College Degree 18 20 Total 22 36 58
ONLY SOLVE D AND E PLEASE
Research Study: The following data collected lists the typing speed as measured by a standard typing test for 5 college students, along with the number of pages they had to type for their project. Instructions: Use the data collected to compute the values listed in Table#1. Use .05 significance. Research Data Collected: Student Chris Mary Paul Juan Marcelo Table #1 1. SP 9 2. r2 3. ΣΧ 4. ΣΥ 5. SSX 6. SSY 7. a 9. 8. b F ratio Number of pages typed 37 46 18 26 16 Typing speed 62 56 25 50 55 10. F critical (value from F table)
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The u for days absent from class per month is 4.3. The teacher begins a policy of pop quizzes to see if it affects attendance. What are Ha and Ho?

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