Using the data below and a 0.05 significance level, test the claim that the responses occur with percentages of 15%, 20%, 25%, 25%, and 15% respectively. Response A                B                 C                D                 E Frequency 12             15               16              18                19     1) Null and Alternative Hypothesis Ho: PA =    PB =     PC =        PD =     PE =  H1: at least one is different 2) Compute test statistics. Round the answer to three decimal places. ?2χ2?2χ2=  3) Compute critical value. Round the answer to three decimal places. ?2χ2?2χ2=

Q: 1 The sample mean is _______. a 12.32     b 13.25     c 14.25     d 15.32

A:

Q: You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the…

A: Calculating the expected frequencies: Total frequency=29+57+10+42=138 Category Observes (O)…

Q: Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the…

A: From the provided information, The number of observations (n) = 15

Q: 8. 50 randomly selected students were asked the number of pairs of games they downloaded on their…

A: Histogram: there are many ways of presentation of frequency distribution in the form of graphs. one…

Q: Independent Samples T-Test Independent Samples T-Test t df p total score -0.651 98 0.517 Note.…

A:

Q: (a) What is the variable of interest in this study? Is it qualitative or quantitative? (b) Do the…

A: Consider, μ as the population mean number of cards. Hypothesized mean : μ0:4 Sample size : n=60

Q: In a survey of 399 randomly selected households conducted in the U.S., it was found that 158 of the…

A: Given, The objective is to find the best point estimate of the proportion of households that have…

Q: Determine the test statistic and p-value for Ho: p = 0.5 versus H3: p # 0.5 wh 225 and the sample…

A: Given that  Null hypothesis (H0) : P=0.5 Alternative hypothesis (H1) : P≠0.5 Sample size (n) = 225…

Q: 2. For the hypothesis test, write the concluding sentence in the form used by researchers. Context:…

A: 2. Given: n=1200α=0.01p-value=0.043 Hypothesis: Null hypothesis: H0: p=0.40Alternative hypothesis:…

Q: A simple random sample of sizen=200 drivers were asked if they drive a car manufactured in a certain…

A: Solution: Given information: n = 200 Sample size  x = 120 succesess  p^= xn=120200= 0.60  Sample…

Q: Consider the data below, representing the time (in minutes) students spend solving a certain…

A:

Q: The data found below measure the amounts of greenhouse gas emissions from three types of vehicles.…

A: The sample observation of the amount of greenhouse gas emission for three types of vehicles are as…

Q: Do a hypothesis for the following, make sure to include and label all five steps:     Test the…

A:

Q: Need help with a) and the test statistic and p-value please

A: (a) What are the median salary (in $) for men? For women?Step 1: Identify the Syntax for the median…

Q: A paired difference experiment produced the accompanying results. Complete parts a through e. nd =…

A: Step 1:Given:nd = 34x̄1 = 90.5x̄2 = 95.7x̄d = -5.2s2d = 23s = √23 = 4.80 Step 2:(a) Determine the…

Q: It is commonly believed that the mean body temperature of a healthy adult is 98.6°F. You are not…

A:

Q: Using the data below and 0.05 significance level, test the claim that the responses occur with…

A: Solution: State the hypotheses. Null hypothesis: H1: At least one proportion is different.

Q: 00 LO 96 LL %24 Use the following 5-point summary to determine the inter-quartile range. Qo=36,…

A: We have to find IQR for given 5 number summary....

Q: According to a recent article about individuals who have credit cards, the mean number of cards per…

A: The number of observations n is 60.

Q: what is the statistical test used, what is Ha and Ho, the df, the t critical, and t observed?

A: Given The data is as follows: Population mean, μ=8.90 Sample size, n=6 α=0.05 14, 12, 13, 12, 14, 15

Q: The data show the number of hours of television watched per day by a sample of 28 people. Use…

A: Given data set. 8,3,9,1,1,3,6,2,4,8,4,3,2,8,3,0,5,7,8,9,5,2,7,6,9,9,5,1

Q: Which type of analysis would you run to answer the question.   eg. Chi square goodness of fit, one…

A: Selection of the appropriate test statistic is subject to validation of different assumptions.

Q: se the sample data below to test the hypotheses Ho: Pi = P2 = P3 H : Not all population proportions…

A: Given : Hypothesis: H0: p1=p2=p3Ha: Not all population proportions are the same

Q: Jse the data in the table and a 0.05 significance level to test the claim that occupation is…

A: Option c) is correct.

Q: Test whether u, <2 at the a = 0.02 level of significance for the sample data shown in the…

A: Introduction: Denote μ1, μ2 as the true population means for Population 1 and Population 2,…

Q: Before 78 79 65 78 68 After 85 83 62 85 79

A:

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: p0 = 0.33 n = 108  x = 45  p̂ = x/n = 45/108 = 0.4167Significance level (α) = 0.01

Q: Country Use Social Great United Networking Sites Britain Israel Russia States res 344 265 301 500…

A: Given :

Q: Describe type I and type II errors for a hypothesis test of the indicated claim. A shoe store claims…

A: Describe type and type II errors for a hypothesis test of the indicated claim.A shoe store claims…

Q: A dlate set inoludes data from atudant evaluntione of courson. The summary etatistica are n- 05,…

A: The summary statistics is n=95,x¯=3.66,s=0.58.

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.