A die is rolled 120 times to see if it is fair. The table below shows the frequencies for each of the six possible outcomes.Use a level of significance of α-0.05.a. Complete the rest of the table by filling in the expected frequencies (enter your answers in fraction form)Frequency of Dice ValuesOutcome Frequency Expected Frequency2 243 214 25172526b. What is the correct statistical test to use?Select an answer Tc. What are the null and alternative hypotheses?Ho:The die rolls are dependent.The die rolls are independent.The distribution of die rolls is uniformThe distribution of die rolls is not uniform

Given that a dice is rolled 120 times. Here we need to check if it is a fair die. In fair die the…

Answered: A die is rolled 120 times to see if it…

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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A Likert Scale is a tool used in many sample surveys to collect opinions on a statement. In this exercise you are asked to use a scale that runs from 5=strongly agree 4-agree 3-neither agree nor disagree 2-disagree 1-strongly disagree What sort of data is a Likert Scale, and why?
Determine whether the sampling is dependent or independent. Indicate whether the response variable is qualitative or quantitative.A psychologist wants to measure the effect of music on memory. He randomly selects 80 students and measures their scores on a memory test conducted in silence. The next day he measures their scores on a similar test conducted while classical music is playing. The mean score without music is compared to the mean score with music. Group of answer choices a.quantitative, dependent b.qualitative, independent c.qualitative, dependent d.quantitative, independent
How is a sample related to a population? Choose the correct answer below. OA. A sample is a subset of a population. OB. A sample is a numerical measure that describes a sample characteristic. OC. A sample is the collection of all outcomes, responses, measurements, or counts.
ou are doing a problem where you have a negative z-score, and you have to look up the proportion of the shaded area in the tail beyond that z-score; in other words, you are shading to the left from your z-score, and looking for the proportion that you shaded. Four “proportions” are given below. Which one is the ONLY one that could potentially be the number you are looking for? (Hint: Think about what you know about proportions: What kind of number are they? And what things can they represent?) Group of answer choices p = 0.3800 p = -0.1500 p = 1.1500 p = 0.5635
snip
Find the weighted estimate, p to test the claim that p, = p2. Use a = 0.05. The sample statistics listed below are from independent samples. n, = 50, x, = 35, and = 60, x, = 40 O A. 0.682 O B. 0.238 C. 1.367 D. 0.328
Find the population mean or sample mean as indicated. Population: 8, 9, 11, 10, 7 Select the correct choice below and fill in the answer box to complete your choice. OA. x= OB. H=
K The following are the ratings of males by females in an experiment involving speed dating. Use the given data to construct a boxplot and identify the 5-number summary 1.0 2.0 O c. 3.0 4.0 4.0 4.0 5.0 5.0 5.0 5.0 5.0 5.5 5.5 5.5 5.5 5.5 6.5 Which boxplot below represents the data? Ratings Q 10 5 29 hp alt **** OB. O D. ctrl - 24 91 Ratings pause 8 10 a backspace 7.0 7.0 8.0 enter TUTT 00 T shift 7 home 1A Next 2:42 PM 9/24/2022 end 004 21 DRO D 4.0 5 N→ ins Badn pg up
n, where k is the percentile and n is the sample size. Given a sorted sample of 234 IQ scores, what is the value of the 40th percentile? 100 When finding the value of a percentile, the location of that value is L = Choose the correct answer below. O A. The 93rd IQ score in the sorted list O B. The 40th IQ score in the sorted list. O C. The 94th IQ score in the sorted list O D. The IQ score midway between the 40th and 41st scores in the sorted list.
The histogram below gives the high temperatures for a simple random sample of May, June, and July days. What percent of days are between 70 and 80 degrees? Round your answer to the nearest percent.
ed in in the table 2. Find the mean, median, and mode for the following sample of scores: one person the sample 12. A sample One persoi 5 4 5 2 7 1 3 5 ust use the s found stribution nidpoint of students edian, you ates the highest quency. epresen-

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