This frequency table depicts the average hours spent on social media use for students in PSY201 class. Hours Frequency 4 3.5 3 2.5 2 1.5 1 0.5 0 10 5 5 3 7 16 05 3 How many students spent at least 3 hours on social media in PSY201?

Several years ago, two companies merged. One of the concerns after the merger was the increasing burden of retirement expenditures. An effort was made to encourage employees to participate in the 401(k) accounts. Nationwide, 63% of eligible workers participated in these accounts. The accompanying data table contains responses of 30 employees of the company when asked if they were currently participating in a 401(k) account. Complete parts a through d. Click the icon to view the data table. a. Determine the sample proportion of company workers who participate in 401(k) accounts. The sample proportion is. (Round to three decimal places as needed.) b. Determine the sampling error if in reality the company workers have the same proportion of participants in 401(k) accounts as does the rest of the nation. The error is (Round to three decimal places as needed.) c. Determine the probability that a sample proportion at least as large as that obtained in the sample would be obtained if the…

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Proc Freq of the SAS System produced a data of 4 different zip codes (zip codes 1-4) that has most homes for sale. Zip code 1 has 6, zip code 2 has 13, zip code 3 has 16, and zip code 4 has 34. Complete the relative     frequency distribution.  Zip         Relative Frequency 1                   % 2                   % 3                  % 4                  %

Please explain

What is the median?

You want to determine how many loaves of Bread are sold per day at Schat’s Bakery. You stand outside for ten different randomly selected days, count the number of loaves, and then average them. You come up with 421 loaves per day. In reality, Schat’s keeps records of how many loaves they sell per day, and in they averaged 395 loaves per day. Describe what the population is in the above example?

The length of time a particular smartphone's battery lasts follows an exponential distribution with a mean of ten months. A sample of 64 of these smartphones is taken. What is the distribution for the total length of time 64 batteries last? (Enter exact numbers as integers, fractions, or decimals.) X - ? v Additional Materials eBook

According to dmbalmanac.com, the breakdown of albums from which Dave Matthews sang at his 'Solo at Home' tour during the Coronavirus are depicted in the frequency distribution below.   What percent of his songs were from 'Big Whiskey and the GrooGrux King'?   Dave Matthews songs Albums   Unreleased 20.5% Dave Matthews - Some Devil 14.3% Busted Stuff 8.0% Cover Songs  8.0% Away from the World 8.0% Under the Table and Dreaming 7.1% Come Tomorrow 7.1% Crash 6.3% Before These Crowded Streets 6.3% Remember Two Things 3.6% Stand Up 3.6% Miscellaneous Release 2.7% Everyday 1.8% Big Whiskey and the GrooGrux King   Live Collaboration 0.9%

A statistics class is made up of 12 men and 18 women. What percentage of the class is​ male?