Using the Naïve Bayes classifier, determine whether a person described by Exercise = Yes, Rest = No, Stress = Yes is Healthy (Yes or No).
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Using the Naïve Bayes classifier, determine whether a person described by Exercise = Yes, Rest = No, Stress = Yes is Healthy (Yes or No).
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- review(7a): The following table summarizes the outcome of a study that researchers carried to determine if females expressed a greater fear of heights than male. How many categorical variables are summarized in the table? Men Women Expressed fear for heights 68 109 did not expressed a fear for heights 94 89Proficiency #8. [English Sentences] Which of the following are logically equivalent to the predicate logic statement (Eευ) (p(x) Λ q(x) if U is the set of all owls, p(x) is the statement "x is upset", and q(x) is the statement "x is surprised"? (Choose all that apply): I. There exists a surprised owl who is upset. II. No upset owls are not surprised. III. All surprised owls are upset owls. IV. Some upset owls are surprised owls. V. Not all upset owls are not surprised.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
- Help!!A coach of a cross country team asked all 200 of the runners who ran at a meet two questions: Did you get less than 8 hours of sleep last night? Yes No Did you achieve a personal record in this meet? Yes No The coach saw an association between the amount of sleep and achieving a personal record for the runners. Which statement provides evidence for this association?Four different beverages are sold at a fast-food restaurant soft drinks, tea, coffee, and bottled water. Answer parts (a) and (b) a. Explain why the type of beverage sold is an example of a categorical variable. Choose the correct answer below OA Type of beverage sold is a categorical variable because the values of the variable arise from a measuring process OB. Type of beverage sold is a categorical variable because the values of the variable can only be placed into categories OC. Type of beverage sold is a categorical variable because the values of the variable arise from a counting process OD. Type of beverage sold is a categorical variable because the values of the variable represent quanteles b. Explain why the type of beverage is a nominal-scaled variable Choose the correct answer below OA Type of beverage sold is a nominal-scaled variable because there are no rankings for the different values of the vanable OB Type of beverage sold is a nominal-scaled variable because the…
- Which statement is true with regard to non-response bias? 1.Respondents have strong opinions about the subject matter. 2.Respondents change their answers to influence the results. 3.Respondents give the answer they think the questioner wants. 4.Respondents do not give their honest opinion.Twenty-nine college students, identified as having a positive attitude about Mitt Romney as compared to Barack Obama in the 2012 presidential election, were asked to rate how trustworthy the face of Mitt Romney appeared, as represented in their mental image of Mitt Romney’s face. Ratings were on a scale of 0 to 7, with 0 being “not at all trustworthy” and 7 being “extremely trustworthy.” Here are the 29 ratings: 2.6 3.2 3.7 3.3 3.4 3.6 3.7 3.8 3.9 4.1 4.2 4.9 5.7 4.2 3.9 3.2 4.5 5.0 5.0 4.6 4.6 3.9 3.9 5.3 2.8 2.6 3.0 3.3 3.7 a 95% confidence interval for the mean rating. Is there significant evidence at the 5% level that the mean rating is greater than 3.5 (a neutral rating)?Which among the following is considered as health outcome? DISSATISFACTION DESTITUTION IMPROVED HEALTH SEEKING BEHAVIOR GETTING VACCINATED AFTER HEALTH EDUCATION A. I and II B. I, II and III C. I, II, III, IV D. III AND IV
- 180 students were surveyed on their current enrollment in Math, Biology, and Chemistry. The results are listed below. 82 students are enrolled in Math. 58 students are enrolled in Biology. 70 students are enrolled in Chemistry. 33 students are enrolled in Math and Bio. 24 students are enrolled in Bio and Chem. 26 students are enrolled in Math and Chem. 14 students are enrolled in all three courses. How many students were enrolled in at least one of the three courses?Which variables must be independent of C given E and S according to the belief network below? A В D E S F GResearch 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)