What is the critical value? Wilcoxon signed rank. Thank you Every year, at the Academy awards ceremony, a Best Actressand Best Actor awards are given. Below is a table showingthe ages of the best actress and the best actor for 10different ceremonies.BestActressBestActor28 63 29 41 30 41 28 26 29 2962 52 41 39 49 41 44 51 54 50At a = 0.05, test the claim that there is no differencebetween the ages of the Best Actresses and the Best Actors.

As Prof. N. G. Das said "Testing of hypothesis is a rule which, when the sample values have been…

Answered: Every year, at the Academy awards…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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I have collected real data on the sale of a microwavable cup of soup across 20 different cities for the same time period (a month). The variables in the dataset are: Quantity sold in the city for that month: Measured in thousands of units Price: measured in dollars Average Income in the city: Measured in thousands of dollars Ads: Average number of ads run in stores for that city during that month. Price of a substitute product: measured in dollars Population of the city: measured in thousands of people The dataset is on Canvas and, using Excel or any other statistical software, please answer the following questions: 1. Describe the patterns in quantity sold and own and rival prices during this time period using basic descriptive statistics. Graphs are welcome as well. 2. Take the logs of the variables, and estimate the demand function. a. Interpret the R-square. b. Interpret the coefficients for logP and logPsub c. Interpret the p-values associated with each independent…
For a population with u=50 and o=10,what is the x value corresponding to z=0.4?
A researcher would like to examine how the chemical tryptophan, contained in foods such as turkey, can affect mental alertness. A sample of n = 9 college students is obtained and each student’s performance on a familiar video game is measured before and after eating a traditional Thanksgiving dinner including roast turkey. The average score dropped by M = 14 points after the meal with SS = 1152 for the difference scores. A. Is there is significant difference in performance before eating versus after eating? Use a two-tailed test with α = .05. SMD = ___________________________ tcritical = ________________________ tcalculated = ________________________ Decision = _______________________ B. Compute r2 to measure the size of the effect. r2 = _____________________________ C. Write a sentence demonstrating how the outcome of the test and the measure of effect size would…
Can I have step by steo instructions to do this in excel? Thank you
Answer.
NEED ALL PARTS PLEASE A (continued): null or alternative and what are h0 & ha B. critical values and rejection region (rounded to three decimal places) C. Calculate d and sd D. Find standardized test statistics e. Reject or fail hypothesis
man loves, as everyone should, to collect and analyze statistical information. He wishes to find a relationship between how many hours students study and how they do on their statistics tests. He takes a random sample of 16 students at Ideal U., asks how many hours they studied for a university-wide stat test and how they did on the test, enters the data into a computer for analysis and presents the results below. ANALYSIS OF HOURS AND GRADES (n = 16): Descriptive Statistics: HOURS GRADES Mean: 4.2 75.8 Mode: 5.0 79.0 St. Dev: 2.3 10.1 Quartiles: Q0 2.0 34.0 Q1 3.2 53.7 Q2 4.7 78.5 Q3 6.3 86.9 Q4 9.0 97.0 Regression Analysis: Reg. Eq. is: GRADE = 16.9 + 9.025*HOURS Rsquared = .985 std error = 0.027 F = 8.52 p = .018 What problem might there be in using the regression model to predict what grade a student might get if they studied 10 hours? a. The predicted grade for 10 hours is more than 100, which is impossible. b. The value of 10…
thank you …
All data entries are listed in Excel photo.
The chi-square test is appropriate for use when: you have data from two numerical variables. you have the dependent and independent variables need to be measured on an interval or ratio scale. you have data from two categorial variables. you have one categorical independent variable and one numerical scaled dependent variable.
Your daughter is wasting my husband's money by trying to collect 6 rare photocards from a foreign album. Calculate the average number of albums she needs to buy in order to get all the 6 collectibles. Use the three trials shown below for your simulation.(Note: Treat the data vertically, and in order).
!.) Compute the predictive value positive and predictive value negative.

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