28. Yates' Continuity Correction used for * 4X4 table only
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- a) Evaluate ... b) Use Simpson's rule to evaluate ... considering 10 sub intervals.Classify the following statements as to whether they belong to the area ofdescriptive statistics or inferential statistics___________________ 1. At most 5% of SLU students are smokers.___________________ 2. Assuming that less than 20% of the Kalinga coffee beans weredestroyed by a typhoon these past months, we should expect anincrease of no more than P30 for a kilogram of coffee by the endof the year. ___________________ 3. An employee generalized that the average monthly salary of a regular employee in a certain company is P12,000. ___________________ 4. A study found out that all customers who have received a giftcertificate from a store 75% went back to the store to shop.___________________ 5. The average grade in statistics of 50 students is 83.60.We wish to demonstrate that the average time to graduate from school is afected by the students who have taken AP calculus in hgh school. Specially, we wish to demonstrate the students who have taken AP calculus in high school graduate an average of more than .25 years sooner than students who have not taken AP calculus in high school. If we let μ1 denote the average time to graduate for students who have not taken AP calculus and μ2 dentoe the average time to graduate for students who have taken AP calculus, what is the apropriate null hypothesis
- Let X be the outcome of tossing a fair die and Y be the outcome of tossing a fair coin.Find Var(X+ Y) (Correct upto 2 decimal points).please xplain why you have 7 class intervals, but have only shown 6 on ths histogram. Whould the first column not need to be 4.3-4.4 with a freqency of 1? i thought the class 4.3-4.4 contained numbers equal to or more than 4.3 but less than 4.4? Im confuesed. Please xplain. Thanks.3. Is the following variable discrete or continuous: The number of questions asked during a 1-hour review session.
- Suppose IQ scores were obtained for 20 randomly selected sets of siblings . The 20 pairs of measurements yield x overbar equals101.91 , y overbar equals103.5 , requals 0.914 , P-valueequals 0.000, and ModifyingAbove y with caret equals 13.18 plus 0.89 x , where x represents the IQ score of the younger child . Find the best predicted value of ModifyingAbove y with caret given that the younger child has an IQ of 96 ? Use a significance level of 0.05. LOADING... Click the icon to view the critical values of the Pearson correlation coefficient r. The best predicted value of ModifyingAbove y with caret is enter your response here . (Round to two decimal places as needed.)is it p=value is suppose to be 0.0401 not 0.0395 to according z-table of -1.75Identify whether the given is a discrete or continuous variable. 1.The temperature of a cup of coffee served at Starbucks. 2.The number of new cases of covid-19 cases in Cebu City.
- To investigate a possible relation between gender and handedness, a random sample of 320 adults was taken with the following results: Men Women Sample Size, n 168 152 Number of left-handed, x 24 9 a) Draw and state the rejection region in interval notation. b) State the test statistic and decision. c) Interpret your results.A(n) _______ uses line segments to connect points located directly above class midpoint values.Assume that in your linguistics class you have earned the test scores 90, 71, 57, and 68; and only one test remains. If you need a mean score of 70 to earn a C, then what minimum score must you obtain on the last test?