a. Hypotheses b. Alpha c. Degrees of Freedom write NA if there's none) d. Critical Value e. Computed Statistics f. Decision and Conclusion
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![36-45. Test whether there's a correlation between the level of stress of the students with their academic
grades as seen on the table below.
Level of Stress (x)
3.4
3.6 3.8
3.8
4.4
4.6
4.7 4.8
4.9 5.0
Academic Performance (
86 89
88
86 89 94 90
93 89
y)
a. Hypotheses
b. Alpha
c. Degrees of Freedom
(write NA if there's none)
d. Critical Value
e. Computed Statistics
f. Decision and Conclusion](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbb3eae35-8d8c-40a7-8859-f5b38fac21a4%2F3f828259-0168-4d23-bd65-bdb774efa4ad%2Fv3qqkjk_processed.png&w=3840&q=75)
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- Of the quantities p1, p2, x1, x2, p1, p2, and pp, a. which represent parameters and which represent statistics? b. which are fixed numbers and which are variables?A statistic is a number that... describes a characteristic of a population of scores. describes a characteristic of a sample of scores. is never used to estimate or make a decision about a parameter. summarizes all the individuals a researcher is interested in.Which one of the following conclusions could be drawn from a descriptive study? Question options: a. Concrete experiences help students understand abstract ideas better. b.Students are more likely to appreciate classical music if they are exposed to it on a regular basis. c. Students do better in school when they have warm, supportive relationships with their teachers. d. Approximately 80% of the students at Southside High School are planning to go to college.
- All of the following definitions are correct, EXCEPT: options: Inferential statistics are the methods that help collect, summarize, present, and analyze a set of data. A variable is a characteristic of an item or individual. A parameter is a measure that describes a characteristic of a population. A population consists of all the items or individuals about which you want to reach conclusions.tatcrunch 2 Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below. Click the icon to view at distribution table. W S X H d a. What is the number of degrees of freedom that should be used for finding the critical value t/2? df = 0 (Type a whole number.) b. Find the critical value t/2 corresponding to a 95% confidence level. ¹ x/2 = (Round to two decimal places as needed.) c. Give a brief general description of the number of degrees of freedom. Tech help # 3 OA. The number of degrees of freedom for a collection of sample data is the total number of sample values. OB. The number of degrees of freedom for a collection of sample data is the number of sample values that can vary after certain restrictions have been imposed on all data values. 20 E D с F3 $ 4 888 R F V % 5 T G F5 B MacBook Air Y H 8 7 N F7 TEE U J 00* 8 ►II M F8 9 K O L command F10 P { alt option (13.046,22.15) x=17.598 Sx=16.01712719 n=50 1 Next…Grade points are assigned such that an A receives 4 points, a B receives 3 points, a C receives 2 points, a D receives 1 point, and a F receives 0 points. Grades are weighted according to credit hours (units). If a student receives an A in a four-unit class, a D in a two-unit class, a B in a three-unit class and a C in a three-unit class, what is the student's grade point average? O A. 2.75 O B. 1.75 O C. 3.00 O D. 2.50 Click to select your answer. DELL XXX EVD disc RW DELL
- A categorical variable has three categories, with the frequencies of occurrence below. a. Compute the percentage of values in each category. b. What conclusions can you reach concerning the categories? Category Frequency A 9 B 26 C 15answers only. Which of the following study is Inferential Statistics? a. 35% of the Enrolled Students in Maharlika University are Solo Parents. b. The market researcher of a manufacturing company constructs a graph showing the fluctuations in sales for a major product line during the past two years. c. The guard on duty recorded the students who came in with above 37.5 body temperature d. The manager of a department store records the number of buying customers daily for 7 consecutive weeks and then estimates the average number of buying customers for the following weeks. 2. What is the sample size of a certain study if the population size is 1,000,000 and 10% margin of error are expected? a.400 c,200 b.300 d.100 3.Which of the following examples is secondary data? a.Direct Interview c.journals b.Indirect or Questionnaire d.ObservationWhat is an inherent zero? Describe three examples of data sets that have inherent zeros and three that do not. A. An inherent zero is a value that the variable can take. B. An inherent zero is a zero that implies none. OC. An inherent zero is a zero that occurs in the data set naturally. Select three examples of data sets that have inherent zeros below. A. Maximum wind speed during a hurricane B. Average age of college students in years C. A student's level of happiness measured from 0 to 10 D. Temperature in degrees Fahrenheit E. Average IQ score of a high school class F. Average monthly precipitation in inches Select three examples of data sets that do not have inherent zeros below. A. Average IQ score of a high school class B. A student's level of happiness measured from 0 to 10 C. Average monthly precipitation in inches D. Temperature in degrees Fahrenheit E. Maximum wind speed during a hurricane F. Average age of college students in years
- C2. Using the information listed below, explore the educational attainment of GSS 2018 respondents. Frequencies and percentages are reported by sex of respondent. a. Calculate the IQR for both groups. What do the IQRS reveal about the degree of diversity for males and females? b. What is the limitation to applying IQR to ordinal data? Highest Educational Degree Males Females Less than high school 63 80 12.9% 12.7% High school graduate 256 296 52.5% 47.1% Junior college 30 72 6.1% 11.4% Bachelor's degree 90 111 18.4% 17.6% Graduate degree 49 70 10% 11.1% 488 629 Total 100% 100% CHAPTER 4 MEASURES CTechnology A. Wearable technology B. Blockchain technology C. Artificial Intelligence D. loT: retail insurance Frequency A 2016 survey of insurance professionals explores the use of technology in the industry. be most used by the insurance industry in the coming year. 6. 10 ess a. Construct a bar chart and a pie chart. b. What conclusions can you reach concerning expected technology usage in the insura 17 24 E. loT: commercial insurance F. Social media G. Other 6 26 8 Click the icon to view the data table. a. Choose the correct bar chart below Print Done O A. OB. 30 30T 0ABCDEFG" 70 RCD'EF'G 0ABCDEFG" Technology 0A'BCDEFG Technology Technology Technology View instructor tip P Type here to search % 24 4. 423 3. 2 T E kouanbe louanbe
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