Patient123400 PEEAE101112131415161719982021222324252627282930Weight in Lbs1st 2nd 3rd155145140187178165185180183190185180210200195201196200199186188190185186188180175175160153167155150178170172166 160 163185177168201190189210197 200205 195201193 191190182185174259 236 240239226 221164 157156197196193222201200211196 195187181180175164170186 181180243229220246231 225Anova: Single FactorSUMMARY1st2nd3rdANOVASource of VariationBetween GroupsWithin GroupsTotalGroupsCount3030302209.44860750816Sum Average Variance5896 196.53 636.19514.135602 186.735563 185.43 525.77MSF F-valua Font1104.7 1.9773 0.1446 3.1013558.728789F crit1.95 DA food nutritionist provides a program to help their clients lose weight and asks toinvestigate the effectiveness of the program. The nutritionist takes a sample of 30 people,weighing each person in the sample before the program begins and 2 months later.Determine whether the program is effective at 95% confidence level.Download the file: food nutritionistKindly click True after Copying the problem and Downloading the file.

First we State hypothesis for the above situation. Null hypothesis, H0: There is no difference in…

Answered: A food nutritionist provides a program…

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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The recidivism rate for convicted sex offenders is 8%. A warden suspects that this percent is different if the sex offender is also a drug addict. Of the 321 convicted sex offenders who were also drug addicts, 22 of them became repeat offenders. What can be concluded at the a = 0.01 level of significance?
A software company is interested in improving customer satisfaction rate from the 80% currently claimed. The company sponsored a survey of 243 customers and found that 205 customers were satisfied. What is the test statistic ?
= ✓ D A local bank wants to study waiting times of customers. A sample of four customers is selected on successive days, and the time is measured from the point each customer enters the line to when he or she reaches the teller window. The results are shown in the data table. a. Construct a control chart for x. b. Is the process within statistical control? Click the icon to view the data. Click the icon to view a table of control chart factors. a. Construct a control chart for x. Choose the correct graph below. O A. 10- mw Sample b. Select the correct choice. Q LCL 20 3 4 5 6 7 8 9 10 Table of Control Chart Factors Table 14-2 Control Chart Constants R Chart n: Number of Observations in Subgroup 2 D₂ 0.000 0.000 0.000 2.282 0.000 2.114 0.000 2.004 0.076 0.136 0.184 0.223 B. D₂ 3.267 2.574 10- 1.924 1.864 1.816 1.777 Print Sample A. No, because there is at least one point lying outside of the region between the upper and lower control limits. x Chart A₂ 1.880 1.023 0.729 0.577 0.483…
Find the z-score and p-value.
Use Table V in Appendix A to determine the t-percentile that is required to construct each of the following one-sided confidence intervals: (Express your answers to 3 decimal places.) Statistical Tables and Charts
A middle school wanted to examine if students' sense of school belongingness increased after participating in a two-week after-school program. Thirty students were selected to participate in the after-school program. Prior to completing the program, students completed a measure of school belonging. At the end of the two-week program, students completed another measure of school belongingness. Students' scores before and after the program were then compared. What is the DV? O 30 participants O (before and after) the after school program O Sense of school belonging O the middle school
Find the sample size required to estimate the percentage of statistics students who take their statistics course online. Assume that we want 95% confidence that proportion from the sample is within two percentage points of the true population percentage.
Don't use chat gpt. Suppose that 2% of the population has a peanut sensitivity. Suppose a test for peanut sensitivity is 90% accurate in confirming: 90% of those with the peanut sensitivity test positive and 90% of those who do not have the peanut sensitivity test negative. What percentage of those being TESTED have a FALSE-POSITIVE result? Pick the closest. Group of answer choices A.1.8% B.9.8% c.18% D.84% E.89%
A contributor for the local newspaper is writing an article for the weekly fitness section. To prepare for the story, she conducts a study to compare the exercise habits of people who exercise in the morning to the exercise habits of people who work out in the afternoon or evening. She selects three different health centers from which to draw her samples. The 6060 people she sampled who work out in the morning have a mean of 3.33.3 hours of exercise each week. The 4747 people surveyed who exercise in the afternoon or evening have a mean of 3.43.4 hours of exercise each week. Assume that the weekly exercise times have a population standard deviation of 0.40.4 hours for people who exercise in the morning and 0.70.7 hours for people who exercise in the afternoon or evening. Let Population 1 be people who exercise in the morning and Population 2 be people who exercise in the afternoon or evening. Step 1 of 2 : Construct a 99%99% confidence interval for the true difference…
Angela is trying to figure out the sample size for the data set she wants to collect. She is considering using a 90% or a 99% confidence level. Explain to Angela the impact the different levels will have on her sample size.
To determine if patrons are satisfied with performance quality, a theater surveys patrons at an evening performance by placing a paper survey inside their programs. All patrons receive a program as they enter the theater. Completed surveys are placed in boxes at the theater exits. On the evening of the survey, 500 patrons saw the performance. One hundred surveys were completed, and 70% of these surveys indicated dissatisfaction with the performance. Should the theater conclude that patrons were dissatisfied with performance quality? Explain. Question content area bottom Part 1 Should the theater conclude that patrons were dissatisfied with performance quality? Select all that apply. A. No, because there was sampling bias as those who had strong feelings about the performance (positive or negative) may be more likely to return the survey. B. No, because there was measurement bias as patrons will give a response that is more favorable than the…
Find the sample size required to estimate the percentage of statistics students who take their statistics course online. Assume that we want 95% confidence that proportion from the sample is within two percentage points of the true population percentage. Answer: Sample size n =

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