1. Identify the sample selection procedure used in each of the following cases:  a) A survey obtained a sample of laborers by first classifying the different areas as either rural area or urban area. After which, a sample of laborers is taken from each area.  Answer: ?? b) To select a sample of households in a province, a sample of provinces were selected, then a sample of municipalities were chosen from each of the selected provinces, then a sample of barangays were chosen from each of the selected municipality, and all households in the selected barangays were included.  Answer: ?? c) A car manufacturer conducts quality checking on every 20th car in the production line.  Answer: ??

Q: An executive's telephone log showed the lengths of 60 calls initiated during the last week of July 1…

A: For the given data We have to calculate Q1, Q3 and iqr Median = Q2 Midhinge= (Q1+Q3) /2

Q: QUESTION 1 In the following problem determine the population and the sample In a sample of 10 bags…

A: Solution: To determine the population and the sample from the given data.

Q: How do I enter the variables in SPSS?

A: Given data

Q: Find the mean of the binomial distribution. P= (Round to two decimal places as needed.) Find the…

A: Given that  n = 5 , p = 62% = 0.62 , q = 1 - p = 1 - 0.62 = 0.38 X ~ Binomial ( n = 5 , p = 0.62 ) p…

Q: as given in Figure 2.10. What is the probability that the system works? Assume the components fail…

A: Here in given diagram, B and C components are parallel , so at least one of them and A and D will…

Q: Food services sent a survey to student, faculty, and staff in order to understand the lunch…

A: Given that, Food services sent a survey to student, faculty, and staff in order to understand the…

Q: A certain test is designed to measure the satisfaction of an individual with his/her relationship.…

A: Let X be the scores on a certain test( to measure the satisfaction of an individual with his/her…

Q: How could I complete a problem like this without using excel?

A: Given that We have to find z score that divide a normal distribution The middle 25% from the 75% in…

Q: man

A:

Q: Let Event A be that the component fails a particular test and Event B be that the component strains…

A: From the provided information, A = The event that the component fails a particular test. B = The…

Q: The average national SAT score is 1019. If we assume a bell shaped distribution and a standard…

A: Introduction: Researchers convert normal distributions into the sampling distribution to figure out…

Q: Question 15 Now you areweryed P Play question Select one: O a. z=0 O b. Az = Px O c. az = ax O d.…

A:

Q: The binomial distribution is used to model the number of trials until the first success   True…

A: We have given statement is  The binomial distribution is used to model the number of trials until…

Q: Suppose that a poll was taken in order to assess the number of gypsy moth nests in Pennsylvania.…

A: As per our company guidelines we are supposed to answer only first question. Kindly repost other…

Q: . The estimate of the population proportion is to be within plus or minus 0.10, with a 95% level of…

A:

Q: Find A n B. (Use the roster method to write the set. Enter EMPTY or for the empty set.) A = {-3, -2,…

A: Solution-: Given: A={-3,-2,-1,0} and B={1,2,3,4} We want to find A∩B=?

Q: A manufacturer must test that his bolts are 4.00 cm long when they come off the assembly line. He…

A: Given data: Population mean, μ=4 Sample size, n=121 Sample mean, x¯=4.21 Significance level, α=0.02…

Q: Is the height (in inches) of students in this class a quantitative or qualitative variable

A: Qualitative variable : It contains name or levels Example : eye colour, method of study...…

Q: The producer of a weight-loss pill advertises that people who use the pill lose, after one week, an…

A:

Q: Determine an appropriate number of classes and class width required to construct a grouped frequency…

A: Given that: In part (a), n=190, minimum=32 and maximum=346 In part (b), n=96, minimum=0.27 and…

Q: The lengths (in kilometers) of a random sample of 20 rivers on the South Island of New Zealand that…

A: Solution-: Given data: 177,56,76,68,56,32,40,72,37,108,64,56,51,64,32,35,72,48,80,64 We want to find…

Q: without health insurance, the mean and median income was $53,373 and $39,000, respectively. Does…

A: According to the U.S. Census Bureau's Current Population Reports 2013, the mean and median income…

Q: the distribution of scores on the sat is approximate,ly normal with a mean of m=500 and a standard…

A: Solution-: Given: μ=500,σ=100 We want to find z-scores boundaries that separate a normal…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: given data  normal distributionμ = 100σ = 15shaded region: area to the right of x = 0.8P(x>z)…

Q: Determine the sampling procedure to be used and explain why. Determine the population under…

A: Sampling:  In a survey, it is not feasible to survey all the individuals. Surveying all the…

Q: Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the…

A: Given that P = 0.692 Find all the required probabilities

Q: ssume that huma body temperatures are normally distributed with a mean 6.21°F and a standard…

A:

Q: A company decides to investigate the amount of sick leave taken by its employees. A sample of seven…

A: Solution: Given information:  The observation are  1, 1, 3, 0,0, 6,3 n= 7 observation

Q: Compute the probability of randomly selecting a three or ace

A: Number of cards in a deck = 52   We have to find the probability of selecting an ace or a 3   We…

Q: (a) If we assume that the distribution of the temperature increases for the 29 men is symmetric and…

A: Given that       n=29 and the session is given as 2.31±0.96 we have to find an interval that we…

Q: Determine the autocorrelation function of the random process X(t) = Asin(2n fet +0), malu liote…

A:

Q: Under what conditions are the median and mode a better measure of central tendency than the mean?…

A: Three measures of central tendency Mean, median and mode. Mean= average of data Median = middle…

Q: A company decides to investigate the amount of sick leave taken by its employees. A sample of seven…

A: Given that  The data are : 1 , 1 , 3 , 0 , 0 , 6 , 3

Q: Describe the number of patients served at the three locations each day. What are the maximum and…

A: From given graph If we see the graphs of all the three, Georgetown, mocks corner, and Aynor…

Q: True or False? In a 4 x 3 x 2 factorial design, there are 3 independent variables, with those…

A: Since we know that for 2 independent variables When we  have an 'a×b' factorial design it means…

Q: Scenario: A guidance counselor wanted to know if anxiety differs based on time (first day of class…

A: Given information: Problem:  A guidance counselor wanted to know if anxiety differs based on time…

Q: You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of…

A:

Q: A fair die has six sides, with a number 1,2,3,4,5 or 6 on each of its sides. In a game of dice, the…

A: It is know that,The probability of rolling two dice and both showing a 1 is 1/36. Which means P(A n…

Q: (a)Consider a t distribution with 29 degrees of freedom. Compute P(t ≥−1.63). Round your answer to…

A: ( a ) with 29 degrees of freedom. Compute P(t ≥−1.63) =? ( b)  with 2degrees of freedom. Find the…

Q: Jill wishes to know the salary of an employee in a rival company. What data source will she use to…

A: Since we know that there are two types of data primary data and secondary data which is defined as…

Q: Is the number of people in their household for members of this class a discrete or continuous…

A: Here we have given the question about the type of random variable.   We know there are two types of…

Q: Determine the probability that a non defective bolt will be found if out of 750.bolts already…

A:

Q: (a)Consider a t distribution with 7 degrees of freedom. Compute P(−1.95 < t < 1.95). Round your…

A:

Q: Which of the following is not a branch of statistics?* a) None of the above b) Inferential…

A: It is needed to defines which is not a branch of statistics.

Q: Suppose you are the president of the student government. You wish to conduct a survey to determine…

A: In systematic random sample, every one of the unit is population has equivalent possibility being…

Q: (a) If we assume that the distribution of the temperature increases for the 29 men is symmetric and…

A: From given Date we have : mean x=2.31, standard deviation is s=0.96

Q: Give one way of stratifying the following:  a) height of school children enrolled in an elementary…

A: Given that Give one way of stratifying the following:  a) height of school children enrolled in an…

Q: Based on the properties of the covariance and the correlation, which of the following is correct?…

A: Given: Relationship between varience, covariance and correlation coefficient?

Q: If À = 1x10^-6 per hour 1. Calculate the MTBFs in years. 2. Calculate the reliability for one year…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: The shaded region under a Normal distribution with mean 0 and standard deviation 1 (Standard Normal…

A: We have to find the probability that is represented by given shaded region.