Suppose that many large samples are taken from a population, and sample proportions center around 0.78. Which of the following is mo to be the population parameter? O A. 0.58 O B. 0.78 O C. 0.48 O D. 0.68
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Q: Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM.…
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Q: Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM.…
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- Sheds 10x8 at Lowe... E Infanticide - an ove... X The following frequency distribution is of the number of surgeries people report having in a particular research study. 12 11 10 O 8 6 5 4 3 2 1 1 0 O 1 0 2 2 3 2 4 Associates Degree J... N ch Careers at Charlie H...VOLTE 13 A researcher in a large university believes that the mean health care expenses of the university differ from the national average of $1570. A sample of 50 people shows an average of $1680 and a standard deviation is $180. Can we say that the mean health care expenses differ from the national average at a= 0.05 ?. (Click the link below to get normal-table values) https://drive.google.com/file/d/1rLJzsws5fYwv usp=sharing (a) Hypothesis: ( If the hypothesis is Ho: u1570 then write 1 in the answer box. If the hypothesis is Ho: u > 1570 and H1: u <1570 then write 2 in the answer box If the hypothesis is Ho: u = 1570 and H1: #1570 then write 3 in the answer box) (b) Critical value = (Example: 3.56) (c) Test Statistic or Calculated value = ( Example : 7.89)A class of N = 60 students is surveyed using a SRSWOR of n=10 students. The sampled students were asked about various things, including whether or not they owned a car, whether they smoked, and how much they had earned during the university term-time(not in vacations). The results are in Table 4. Table 4: Students survey data Student i 1 2 3 4 5 6 7 8 9 10 -45025 Sex M M M M F F F F F F Age 25 40 21 19 18 23 39 32 20 27 iii) mean earning of all students. UTV iv) total earning of all students. Own car 0 0 1 1 1 1 0 1 1 0 10 Earnings ($) Smoke 1500 12000 0 2500 0 0 1800 6000 0 41000 1 0 0 a) How many possible samples are there? b) what is the probability of selection of any given sample? c) Using the given sample data, make estimates of the following quantities: i) mean of female students. ii) mean of male students. 0 0 0 0 1 1 0 2022 v) variance of estimator of total earning and place a bound on your error of estimation (where s 1.708×10%).
- C. For numbers 26-40. Solve for the missing data to complete the table The population is given with a sample size n=3 7 11 15 19 26-30. Complete the table X — и (X – µ)? 3 26. 27. 11 28. 15 29. 19 30.1. Which of the following is an unbiased point estimator of a population proportion? A. p-value В. р C. Po D. pthe Iq of 300 students in a certain school in quezon province is approximately normally distributed with μ = 100 and σ2 =15 How many students have an IQ from 85 to 120? A. 200 B. 210 C. 215 D. 225
- In a study conducted by some Statistics students, 73 people were randomly assigned to listen to rap music, music by Mozart, or no music while attempting to memorize objects pictured on a page. They were then asked to list all the objects they could remember. The summary statistics for each group are shown in the table. Complete parts a and b. OA. Ho: HM-HR=0 HA: HM-HR #0 C. Ho: HM-HR 0 Rap D. Ho: HM-HR=0 HA: HM-HR <0 Vi 33 10.88 3.71 . Mozart 20 10.15. 3.04 No Music 20 13.29 4.88 More5Case 2: PAIRED SAMPLE 6 Patients with Toxic goiter were subjected to thyroidectomy. Their weights before surgery were recorded, and their weights were again taken 1 month after surgery. Following are the results Patient Before after (b-a)% 3D d A.B 112 116 -4 16 C.A 98 103 -5 25 D.F 126 129 -3 96. A.S 86 85 +1 R.B 108 110 -2 4. D.T. 132 132 0. Σ 662 675 -13 55 112.50 no.36 Was there a significant increase in weight? 17.13 as 6.99 19
- The following data represent the number of games played in each series of an annual tournament from 1933 to 2005. Complete parts (a) through (d) below.Question 49: The result of paired difference test is d = 5.6, s = 3.82 and n=13. Find the paired t- statistic. a) 2.2856 1.3254 5.2856 0.3285The duration (in minutes) for a sample of 20 flight-reservation telephone calls is shown in the following table: 2.1 10.4 4.8 5.5 4.5 2.8 5.9 10.5 4.8 3.3 5.8 6.6 7.5 4.8 5.5 3.5 5.3 3.6 7.8 6.0 NOTE: Ex=111 and x = 709.82 Assuming the population has a normal distribution, find a 95% confidence interval for the population mean time.
