Classify the study as either descriptive or inferential. Explain your answer.Data from a sample of citizens of a certain country yielded the following estimates of average TV viewing time per month for all citizens 2 years old and older. Thetimes are in hours and minutes; Q1 stands for first quarter.Viewing methodChange (%)Q1 2011158:4110:16Q1 2010158:14Watching TV in the home0.3Watching timeshifted TV9:0712.6DVR playback26:3425:443.225:2725:59-2.1Using the Internet on a computerWatching video on Internet4:233:5810.54:363:3826.6Mobile subscribers watching videoon a mobile phone(...)Is the study descriptive or inferential?OA. The study is inferential, because the statistics are used to describe the sample.OB. The study is inferential, because the statistics are used to make an inference about the population.Time Remaining: 01:41:10NextStatcrunch29 of 30 Questions Left this cycle70°F Sunnyhere to searchOדו

Solution: First we understand the concept of descriptive and inferential statistics. Descriptive…

Answered: Classify the study as either…

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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ork Question Part 1 of 5 Cans of soda vary slightly in weight. Given below are the measured weights of seven cans, in pounds. Find the mean and median of these weights. Which, if any, of these weights would be considered an outlier? What are the mean and median weights if the outlier is excluded? 0.8161 0.8194 0.8165 0.8174 0.7903 0.8141 0.8127 Find the mean and median of the weights. The mean is (Round to five decimal places as needed.) P
Prisons 2006 A report from the U.S. Department ofJustice (www.ojp.usdoj.gov/bjs/) reported the percentchanges in federal prison populations in 21 northeasternand midwestern states during 2006. Using appropriategraphical displays and summary statistics, write a reporton the changes in prison populations.
Researchers watched groups of dolphins to determine what activities the dolphins partake in at certain times of the day. The numbers in the table represent the number of groups of dolphins that were partaking in an activity at certain times of days. Is there enough evidence to show that the activity and the time period are dependent for dolphins? Test at the 5% level. Dolphin Activity Period Activity Morning Noon Afternoon Evening Total Travel 19 13 14 15 61 Feed 20 14 54 118 Social 15 13 52 109 Total 78 48 41 121 288 State the hypotheses. Ho: Activity and the time period are Select an answer Ha: Activity and the time period are Select an answer Calculate the test statistic. Round your answer to three decimal places. x² = Calculate the p-value. Round your answer to four decimal places. p-value= State your decision. Since p-value? 0.05, Select an answer Ho. Interpret your decision in the context of the problem. At the 5% level of significance, there Select an answer enough evidence to…
A survey was conducted two years ago asking college students their top motivations for using a credit card. You think this distribution has changed. You randomly select 425 college students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been a change in the distribution? Use a = 0.025. Complete parts (a) through (d). Response Old Survey % 29% New Survey Frequency, f Rewards 110 Low rates Cash back Discounts 23% 96 21% 109 7% 46 Other 20% 64 O B. The distribution of motivations is 110 rewards, 96 low rate, 109 cash back, 46 discounts, and 64 other. O C. The distribution of motivations is 29% rewards, 23% low rate, 21% cash back, 7% discounts, and 20% other. Which hypothesis is the claim? o Ho (b) Determine the critical value, Yo, and the rejection region. X = 11.143 (Round to three decimal places as needed.) Choose the correct rejection region below. Oc. X
Review this chart. Identify what type of figure/chart is presented and briefly explain what each chart is reporting.
How do I answer/ start this? Which test do I use?
The boxplot below shows salaries for CPAS and Actuaries in a town. CPA Actuary 30 40 50 60 70 80 90 100 110 120 Salary (thousands of $) Q If a person is making the third quartile salary for a CPA, his earning is equivalent to the Select an answer salary for an Actuaries, and he is making less than % of Actuaries. ✓ Select an answer Question Help:Written Example Message instructor Submit Question median first quartile third quartile maximum minimum
Español A decade-old study found that the proportion, p, of high school seniors who believed that "getting rich" was an important personal goal was 80%. A researcher decides to test whether or not that percentage still stands. He finds that, among the 240 high school seniors in his random sample, 185 believe that "getting rich" is an important goal. Can he conclude, at the 0.10 level of significance, that the proportion has indeed changed? Perform a two-tailed test. Then complete the parts below. SEE Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) 00 (a) State the null hypothesis H, and the alternative hypothesis H,. H, :0 H :0 (b) Determine the type of test statistic to use. O=0 OSO O20 (Choose one) (c) Find the value of the test statistic. (Round to three or more decimal places.) O
Current Attempt in Progress The USStates dataset, used throughout the textbook, contains information on the 50 US states. A small segment from the dataset is displayed in the following table State 1 California Colorado Connecticut Save for Later Percent of Residents with a College Degree 34.5 39.6 42.7 What variable was used to determine that 42.7% of Connecticut state residents have a college degree? Is it categorical or quantitative? O Variable what state they are from. This is a categorical variable. O Variable what state they are from. This is a quantitative variable. O Variable O Variable whether or not they have a college degree. This is a categorical variable. whether or not they have a college degree. This is a quantitative variable. Attempts Doffrired
Use the output provided in the formula sheets folder. In testing if the reduced model is useful, the F statistic is Fcal = 13.58. What would be the critical value from the F table that we would compare this against? O 3.86 O 4.74 O 19.4 O 4.93
Using this data, how would you find a 95% prediction interval for the number of programs in year 11?
need help with part d and e

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