Classify each sample as random, systematic, stratified, or cluster and explain your answer. Every seventh customer entering a shopping mall is asked to name his or her favorite store.

Q: Determine the sample size associated with the following formula. Remember to always round up to the…

A: Solution Answer is 112

Q: a. Calculate the sample means. Xcorporate =[ XNavy =0 (Round to two decimal places as needed.)

A: The data shows the prices of the same items at a military commissary and a nearby corporate store.

Q: Say you were interested in sampling students who deal drugs on campus. Wha sampling technique could…

A: (5) You were interested in sampling students who deal drugs on campus.

Q: Find the 1rst quartile and 3rd quartile of the following numbers  41,43,46,47,48,50,51,52,53,54,55

A: The given numbers already in the increasing order: 41,43,46,47,48,50,51,52,53,54,55 Median = middle…

Q: í 600 people sampled, 348 had kids.

A: Given that  Sample size (n) = 600 Had kids (X) = 348   We know that  Best point estimate (p)= xn…

Q: Given the sample mean, frequency and probability. Find the number 4 and 5 in the second picture.

A: Given Information: Population consists of 2, 6, 8, 0, 1 Sampling distribution of sample means:…

Q: Which are the better statistics to use to compare the team scores? Team A's scores HI 45 55 65 75 85…

A: The median is middle most value of the observations, above or below which 50% of the observations…

Q: Use the values on the number line to find the sampling error. H = 25.14 x= 26.72 +> 28 25 26 27 The…

A: It is given that , μ =25.14 x̅ =26.72

Q: Find the Sample Median and Probability of each grouping, and then compare the population median to…

A: Here sample of size 2 so median is equal to the average of that two value

Q: Group the data and hence determine A. The sample mean B. The sample median C. The sample mode.

A: Frequency Table Class Count 47-48 5 49-50 8 51-52 18 53-54 5 55-56 2 57-58 3 59-60 1

Q: Kaylee is working at her neighborhood transportation engineering company researching peak hour…

A: The mean at congested intersection truck traffic is less than 10.43 percent/hr. Null Hypothesis:…

Q: find the range, mean, variance, and standard deviation of the sample data set.

A:

Q: g the sample paired data below, determine a 59 45 33 65 37 41 46 42 0.07 to 1.47

A: Note: As the image of the question is blurred so kindly confirm the input data. By applying a paired…

Q: Identify which of these types of sampling is​ used: random,​ systematic, convenience,​ stratified,…

A: Given : To determine her breathing rate, Britney divides up her day into three parts: morning,…

Q: Identify the population and sample: A survey of 496 students at a high school found that 95% planned…

A: Introduction: A population in Statistics is defined as the collection of all possible objects,…

Q: A fire-insurance company wants to relate the amount of fire damage in major residential fires to the…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: A school principal surveys 4 freshman, 4 sophomores, 4 juniors, and 4 seniors. For the situation…

A: We have to find correct answer for given data....

Q: Match each example with the type of sampling it represents.

A: stratified sampling 2.Simple random sampling Quota sampling

Q: Find the measure of dispersion of a random sample lengths of songs in a playlist. 3:42  3:40  3:50…

A:

Q: Twenty-five army inductees in Ontario were given a blood test to determine their blood type. The…

A: The relative frequency table consist all the categories with their relative frequencies. The sum of…

Q: find 2nd pecentile for given data 59,85,67,74,63,98,75,85

A: We have given that,  The data set is,  59,85,67,74,63,98,75,85 Then,  We will find 2nd percentile =…

Q: Use the following data set: 40, 33, 77, 23, 56, 23, 19, 29 (minutes). Assume the data is…

A: Dataset : 40,33,77,12,23,56,23,19,29 Test the claim of  μ>15 Confidence interval = 0.90 The null…

Q: The Test scores of ten students are listed below. Find the median score. 71 67 67 72 76 72 73 68 72…

A:

Q: Plot the data below using the stem and leaf method. a) 320,332,339,343,345,348,351,352,364,376

A: We need to plot the given data using stem and leaf method The solution to the given question is…

Q: Find the mode, median, and mean of the scores. (If there is no mode, enter NON 6.05, 5.01, 5.14,…

A:

Q: The symbol for the sample proportion is O Zc

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of population…

Q: of 90% with a sample

A: Given : Sample size = n = 19 Significance level, α =1- 0.9 = 0.1

Q: What constitutes each pair in a paired sample?

A: Paired t-test: The paired t-test, also known as the “dependent t-test”, is a statistical procedure…

Q: What number completes the folloming distribution containing 3 trials? P(X) 0.25 0.35 0.30

A: Given data, What is the probability that distribution contains 3 trials?

Q: Find the 40th percentile of the following 9 numbers. 1, 1, 3, 3, 3, 5, 5, 8, 9 O 1 O 2 O 3 4 O 5 6.5

A:

Q: Name the type of sampling/study: Joey could not find out how to break the student into groups, so he…

A: Here we will use the concept of census Census :- collection of data of each and every person in the…

Q: Find the 5th Deciles or D5 of the following test score of a random sample of ten students: 35, 42,…

A:

Q: Construct all random samples consisting three observations from the given data. Arrange the…

A: The given data is 86, 89, 92, 95, 98. So there are 5 samples. We have to make samples consisting 3…

Q: Find the population mean or sample mean as indicated. Population: 6, 9, 2, 12, 13, 24 A) x = 12 B) =…

A: We know,  Sample mean is arithmetic mean of the sample data drawn from population. It is represented…

Q: Find the First Quartile 12, 14, 18, 32, 59, 82

A: Given :                 12 , 14 , 18 , 32 , 59 , 82 To find :                   The first…

Q: Find the range, variance, standard deviation, and coefficient of determination.

A: Concentration of all the values around the central value of the given data is known as measures of…

Q: describe why it is important for the sample in your study to be as representative as the source

A: Representative samples are important as they ensure that all relevant types of people are included…

Q: The accounting department took a simple random sample of 7 audits. The number of days to complete…

A: Given data, 48,41,42,42,45,43,47   Median=?

Q: In the formula x±zol , the subscript l 2 refers to the area in the lower tail or upper tail of the…

A: We know that the 100(1-α)% confidence interval for the population mean μ is defined as below: x̅ ±…

Q: Twenty-five army inductees in Ontario were given a blood test to determine their blood type. The…

A: Population is the set of all objects of interest. Sample is s subset of the population. Proportion…

Q: Find the median value

A: Given information: The probability density function of a random variable X is as given below:

Q: Use the data in the table to the right to answer the following questions. Find the sample proportion…

A: From the provided information, Total candy (n) = 41 Total red candy (x) = 7 The required proportion…

Q: Find the midrange for the given sample data. 3) 49 52 52 52 74 67 55 55

A: The midrange of a set of observations is, (Maximum observation + Minimum observation)/2.

Q: Maddie surveys the 51 people in attendance at church today. Identify the sampling technique:…

A: In simple random sampling, each of the unit is population has equal chance of being selected in the…

Q: State the type of sample being collected. The quality control officer at a manufacturing plant needs…

A: Simple random sample: The observations in the sample are selected randomly from population. That is,…

Q: Find the quartiles (Q1, Q2, Q3) of the data set shown below:  D ={98, 88, 78, 99, 84, 80, 62, 44,…

A: Given: No. of observations, n=12 D 98 88 78 99 84 80 62 44 49 70 33 35

Q: Find the mean, median, and mode for each set of values.

A:

Q: A group of people was randomly selected and asked how many hours per day each person spends on…

A: To find: What percentage of the people surveyed spend 5 hours or more per day on social media?

Q: Using the sample data from the accompanying table, complete parts (a) and (b). E Click the icon to…

A: Researchers compute confidence and prediction interval for least square regression for different…

Q: Find the upper quartile of the following set scores: 1, 3, 4, 5, 6, 8, 11, 13, 17

A: