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- Find quartile 1 (Q1) of the data set. {-4, -6, -9, -3, -2, -4, 0} O -6 ere to search F2 F3 F4 F5 F6 F7 F8 F9Path: p Calculate the variance of each of these fictitious samples: (a) 12, 6, 7, 3 (b) 9, 13, 8, 10 (c) 21, 15, -10, 6 A Paragraph a= CTRONIQ F5 F6A score with a value ________ the mean will have a z-score that is less than or equal to zero. a. Less than b. Greater than c. Equal to d. A & C
- Dötrbuto of of students colley ages M- 215 b=3 Sample n= 36 probabi lity of average age what is between 21 & and 225.54 If the arithmetic mean of two unequal positive real number 'a' and 'b'; (a> b). be twice as great as their geometric mean, show that: a: b = (2+√3)(2-√3) Example 5:36. Find the value of mean, mode and median from the data given below Weight (in kg.) No. of students = 93 - 97 ,98 - 102, 103 - 107 ,108-112, 113-117, 118 -122, 123 - 127, 128 -132 Number of students= 3, 5,12,17,14,6,3,1 Example 542. (a) Find the Geometric Mean of 2, 4, 8, 12, 16 and 24. (b) If the observations 2, 4, 8 and 16 occur with frequencies 4, 3, 2 and I respectively, find their geometric meanNormal Distribution. Please show the solution of the answer. Thank you.
- cic X Quizzes - Social Statistics - Tenne X B Feedback for Informative/Persua X Which S tps://elearn.tnstate.edu/d2l/Ims/quizzing/user/attempt/quiz_start_frame_auto.d2l?ou= Exam 1 Andrew Kosia: Attempt 1 Question 12 (2 points) . Social class is an example of a(n) variable. sample data O ordinal O population 45 Question 13 (2 points) Saved 48 Which of the following are dichotomous variables? gender color oyment hplearning.suny.edu/d21/le/content/460881/viewContent/15362845/View esc ! You are conducting a multinomial Goodness of Fit hypothesis test for the claim that the 4 categories occur with the following frequencies: Ho: PA= 0.4; PB = 0.3; pc = 0.15; pp = 0.15 Complete the table. Report all answers accurate to three decimal places. Category Observed Expected Frequency Frequency A B C D 40 28 ← 23 What is the chi-square test-statistin for this data? x² = 7 What is the P-Value? P-Value = 2 For significance level alpha 0.01, What would be the conclusion of this hypothesis test? O Fail to reject the Null Hypothesis O Reject the Null Hypothesis Report all answers accurate to three decimal places. Calculator 25 #3 $ 4 16. C Q Search securyBrowse % MacBook Pro 5 A - & 7 * 00 8Prove using a formula of the geometric mean that if we add a constant (for example, d) to all data values, the geometric mean increases by a constant
- 012 = √n1(012+d12)+n2(022+d22)/n1+n2 is I need answer within 3 minutes with my best wishes y .A Combined Standard Deviation .B Coefficient of variationAssume that we have made 10 repeated measurements of a quantity, and as a result the error assigned to the “best estimate” of the mean is 6. If we then expand our data set to a total of 20 measurements, the error in the mean will reduce to just 3. True or Falsegua-L8.5 CW.p X A Maya Paniagua - Copy of H X 5B"16VW7-mB9MvFajLes2zwUztrRR_ZFrd2e"%5D%2C"acti odf 100% 14 202 L1l.4 23 2045?=23 4. 5, 7. =180 38 mz1 = m25 = %3D %3D m22 = m26 = m23 = m27 = %3D m24 = m28 = %3D