n Internet poll asked 4272 U.S. adults about their use of smart watches and fitness trackers. A summary of the results reported that 897 adults regularly wear a smart watch or fitness tracker. Identify the sample size and the count. Calculate the sample proportion. Explain the relationship between the population proportion and the sample proportion.

Q: The number of credits being taken by a sample of 13 full-time college students are listed below.…

A: From the provided information, Number of observation (n) = 13 The data values are as follow: 9, 9,…

Q: In 2015, Addison Group and Kelton surveyed the work preferences and attitudes of 1006 working adults…

A: Data is given for observed frequency : We have to calculate chi-square value :

Q: Determine whether the data set is a population or a sample. Explain your reasoning. The ages of…

A: Population : The entire group of individuals is called as population.  Sample : Sample is the subset…

Q: Identify the type of sample ( Experimental or Observational) Then tell if the sample is biased 9.…

A: 15 households are selected from the Houston area. This is the example of cluster sampling .

Q: In a sentence or two, describe the relationship between a sample and a population. Explain the…

A: Here, need to define the relationship between sample and population. Also need to differentiate…

Q: The percentage of girls who like pink in a school is 57%. Which proportion separates the lowest 10%…

A: The percentage of girls who like pink in a school is 57%.p = proportion = 57/100 = 0.57 The sampling…

Q: Find the range , the standard deviation, the variance for 45, 75, 84, 58, 81, 65 , 98,63,76

A: Range = Maximum - Minimum = 98 - 45 = 53   The standard deviation can be determined using the…

Q: The tuition and fees (in thousands of dollars) for the top 14 universities in a recent year are…

A: Data are arrange in increasing order and the increasing order are 35, 39, 42, 42, 42, 44, 44, 44,…

Q: A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly…

A:

Q: The number of credits being taken by a sample of 13 full-time college students are listed below.…

A: From the provided information, The data values are as follow: 9, 9, 12, 12, 9, 10, 8, 8, 8, 8, 8, 8,…

Q: A quality conscience disk-manufacturer wishes to know the fraction of disks his company makes that…

A: Givensample size(n)=1635No.of defective(x)=228

Q: A pet food company wants to know the number of pets owned by adults ages 21 to 70. The frequency…

A:

Q: Sample Proportion. Nielsen Media Research determined the precise proportion of all Americans…

A: Definition: Sample proportion : It is the quantity which measures the success of proportion.   Here,…

Q: Please answer the questions in the photo and explain. Thank you

A: (a) Sample Mean = (2.2 +0.5 +2.4 +2.7 +2 +1.5 +0.2 +1.5 +0.1 +0.2)/10 = 1.33 (b) Here, we're…

Q: how does the sample and population relate?

A: Sample and population both are different items, but both are related with each other. Population is…

Q: What is the name of this type of sample?

A: In the method of convenience sampling, the individual samples are easily determined and do not…

Q: A circus operator randomly picked 5 day from the month of august to see how many people purchased…

A: Sample is the items randomly drawn from the population.

Q: Determine whether the sample is biased or unbiased

A: Given a situation, we need to find whether it is biased or unbiased.

Q: Explain how each portion of the ANOVA table is calculated, ultimately leading to the F statistic.

A:

Q: The tuition and fees (in thousands of dollars) for the top 14 universities in a recent year are…

A:

Q: Approximately 10% of all people are left handed. Consider a group of fifteen people. Find the mean.

A: Given data, p=10% =0.10 n=15 Mean=?

Q: Ten HR majors had an average grade of 94 on an exam. Fourteen business majors averaged 86, while six…

A: Given problem Given that   Ten HR majors had an average grade of 94 on an exam. Fourteen business…

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: You are given the following data, where X1X1 (final percentage in math class) and X2X2 (number of…

A: Data given as, X1 (final percentage in math class) and X2 (number of absences) are used to predict…

Q: Classify each sample as random, systematic, stratified, or cluster and explain your answer. Every…

A: Classify each sample as random, systematic, stratified, or cluster and explain your answer. Every…