There are​ 64% of US adults who own a​ smartphone, up from​ 35% in 2011. Smartphones have become an important way for Americans to​ communicate, go​ online, access and share information. The Pew Research Center surveyed 1635 people in​ November, 2014 on smartphone ownership. Their goal was to learn how Americans use their smartphone devices.   Identify the population and the sample.

Q: In 2010, the Pew Research Center questioned 1096 adults in the U.S. to estimate the proportion of…

A: Population :     Correct choice is (f) All adults in the U.S. Sample :      Correct choice is (e)…

Q: Find the first quartile for the scores on the Mathematics portion of the SAT.

A: Given that. X~N( μ=528, ?=117) μ=528 , ?=117

Q: What is the medium of these figure skating ratings? 5.0,6.0, 7.0, 7.5, 8.0, 9.0, 10.0?

A: The given data is already arranged in ascending order.5.0 , 6.0, 7.0, 7.5, 8.0, 9.0, 10.0

Q: Choose the correct definitions of response and explanatory variables from the list below. A response…

A: Since we know that Response variable :- Response variable measure an outcome in a statistical study…

Q: Explain in your own words what it means that a sample must be representative of the population.…

A: To explain about sample and population and to choose the best fit for the study on students of the…

Q: In this section, we discussed two types of statistical designs. Identify and explain the meaning of…

A: The two types of statistical designs are,Completely randomized design.Randomized block design.

Q: What does Common outcomes signify in statistics.

A: In statistics, outcomes are defined as the result of an event. An outcome of an event can be unique…

Q: As part of a statistics project, a teacher brings a bag of marbles containing 600 white marbles and…

A: Given, There are total 800 marbles. In which 600 are white and 200 are red. Student randomly draws…

Q: Amage reported the results of its annual travel professionals survey. A total of 277 travel…

A:

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

Q: d) If they stop 30 cars during the first hour, find the mean and standard deviation of the number of…

A: Given Information: 90% of drivers do "buckle up" (wearing seat belts). (d) If they stop 30 cars…

Q: (b) 120 ° r =

A:

Q: Voting and elections Pollsters are interested in predicting the outcome of elections. Give an…

A: The provided information is as follows:Pollsters are interested in predicting the outcome of…

Q: Before beginning a new and costly advertising campaign, Starbucks would like to know how best to…

A: a) Level of significance = 0.01 Claim: Test whether there is any association between gender and…

Q: Medical Marijuana? An international poll of physicians was conducted on the New England Journal of…

A: a. In a poll conducted on the physicians which asked about “Do you believe that the overall…

Q: Interpret calculator display: In a recent poll, people were asked whether they supported an increase…

A: Given

Q: What is SSw?

A: Answer : By using ANOVA single factor for three groups,

Q: help please answer in text form with proper workings and explanation for each and every part and…

A:

Q: he preeminent basketball philosopher Rasheed Wallace popularized the phrase, "Ball don't Lie." This…

A: p = 0.785 n = 177

Q: Researchers at a drug company are testing the duration of a new pain reliever. The drug is normally…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile strikes…

A: (3) Determine whether the normal approximation can be used with the given distribution or not?…

Q: Random digit dialing telephone surveys used to exclude cell phone numbers. If the opinions of people…

A: Cell-only sample Landline sample Democrat or lean Democratic 49 47 Refuse to lean either way…

Q: According to the Pew Research Center, 14% of adults rate basketball as their favorite sport. Your…

A: The proportion of adults who rate basketball as their favorite sport in the general population is…

Q: In 1993, presidential candidate Ross Perot appeared on television to voice his opinions on…

A: A voluntary response sample is the sample in which all the participants participate in the study…

Q: An electronics company wants to gauge public opinion on its products. They send out a business reply…

A: An electronic company wants to gauge public opinion on its product. The company wants the public…

Q: For this discussion, you will come up with an example of a situation in which two means would need…

A: Describe a possible study that could be conducted to compare two groups means:

Q: ▸ Dashboard с YouTube MyOpenMath…

A: Also given the incomplete table is  we have to complete this table and also we have to find the…

Q: 0.0368 to 0.1032 b. Using a 2% significance level, can you conclude that p, is different from p,?…

A: Given : Claim : p1 is different from p₂

Q: In​ statistics, the data we work with is just one part of a bigger picture called the​ ____

A: We need to fill the given sentence with suitable word.

Q: What is SSB?

A: Solution

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.