The first unit of the sample is selected at random and then each subsequent unit is picked at a fixed from the previous unit selected in the sample. What sampling technique is this?

Q: A population consists of N = 4 numbers: 12, 15, 20, 24 with a mean of μ = 17.75. A random sample of…

A: Here the given information is  A population consists of N = 4 numbers: 12, 15, 20, 24 with a mean of…

Q: Illustration 16.81. Two packs of cards are made up in such a way that the first pack consists of 39…

A:

Q: A population consist of 100 items. The number of different simple random samples of size 5 (without…

A: Required number = 100C5

Q: What is the appropriate distrubution for x?

A: Let p be the proportion of students own a cell phone. Given that p = 0.90 And X denote number of…

Q: Sample size is larger if

A: Sample size is large if we can make statement for population from it.

Q: Data for question #2 Student Variable A В 1 1 1.83 1 1.94 3 2 2.86 2.5 1 2.97 3.11 7 1 2.39 2.75 2…

A: solution: Given that : The example size =7 The example is picked beginning from understudy number 3…

Q: For a population, N = 12,000 and p = 0.79.A random sample of 914 elements selected from this…

A: It is given that the sample proportion is 0.65 and the population proportion is 0.79.N=population…

Q: sampling

A: Here sampling is without replacement so once a element drawn then not returned

Q: Simple random sampling uses a sample of size n from a population of size N to obtain data that can…

A: Given data, Population size (N) = 45 sample size (n)= 5

Q: Explain the three methods of selecting a simple random sample

A: When the sample is selected randomly and every element of the population has an equal chance of…

Q: Answer number 1 & 2  only, provide the sampling technique, justificatio

A: Note: Hello! Thank you for your query. Because RRLs fall under the subjective category, we are only…

Q: (a) State the null hypothesis H. and the alternative hypothesis H,. H, : Hd H : Hd + 0 (b) Determine…

A: We have to find df.

Q: Can we support the claim that mean rainfall from seeded clouds exceeds 25 acre-feet? Use a = 0.01

A: Cloud seeding has been studied for many decades as a weather modification procedure. The rainfall in…

Q: i. var (VSRSWOR): = N-125² Nn

A: We need to show that:-

Q: n. How many different random samples of seven accounts are possible?

A: Here population size N = 40 Sample size n = 7

Q: 3. A financial advisor needs to meet her quota of 30 clients in a year. To do that, she sought help…

A: 3 :  She needs to meet her quota of 30 clients :  She ask her friends to as their friends to be…

Q: A teacher has two large containers filled with blue, red, and green beads. He wants his students to…

A:

Q: determine what type of sampling technique is used (Simple Random Sampling, Stratified Random…

A: Systematic sampling: Systematic sampling involves of first considering a starting point for…

Q: Here is a sample of amounts of weight change (kg) of college students in their freshman year. 11. 8,…

A: Boot Strap sample Means Sorted Means Standard Deviation Sorted Standard…

Q: identify the sampling technique used

A: 1.Here researchers are selected using the randomly selected chits of numbers assigning to them from…

Q: Simple random sampling uses a sample of size n from a population of size N to obtain data that can…

A: Suppose that, from a population of 90 bank accounts, we want to take a random sample of five…

Q: Golden randomly barks only 40% of the time as strangers pass by the house. Blacky randomly barks 30%…

A: Given that, Golden randomly barks only 40% of the time as strangers pass by the house. Blacky…

Q: A phone line carrier conducted a survey with their customers to verify their satisfaction with their…

A: Yes, there is sufficient information to find the sampling variation in this case.

Q: Extra small    390 small    470 medium 520 large    68 extra large  440 Using the stratified…

A: In stratified random sampling, the samples are selected from each of the stratum in the proportion…

Q: this is a statistical question Consider the monthly salary of all 5 employees of a company:…

A: Given monthly salaries of all 5 employees of a company is salary={20,30,22,20,16}

Q: ethod descriptions given. Situations ask all the students in your math class dividing the population…

A: Answer :    1) Convenience sampling: Ask all the students in your math class. Explanation: This is…

Q: Four randomly selected households are surveyed as a pilot project for a larger survey to be…

A: Four numbers between 10 and 20 are selected using random numbers. The numbers are 11,12,15,20 Thus…

Q: The sampling plan for an experiment is to make 340 draws at random with replacement from the box…

A: The probability of drawing a 1 from the box is 1/4, and the probability of drawing a 0 is 3/4.   The…

Q: A researcher wanted to know the average screen time (in hours) of the students using cellphone.…

A: It was stated that a researcher wanted to know the average screen time (in hours) of the students…

Q: A sample of 67 workers has been randomly collected to understand the role of height on income.…

A:

Q: Two dies are rolled and the numbers of dots on the two dies are multiplied. Create a table showing…

A: Solution: Suppose two dice are rolled. Then, the sample space is

Q: Explain the difference between a simple random sample and a systematic sample. (Select all that…

A: Systematic sampling: A systematic sample of size n, is taken from a population of size N, at the…

Q: Assume that 26% of students at a university wear glasses. Suppose 300 students are randomly…

A: It is given that Sample size n = 300 Population proportion p = 0.26

Q: Define sampling unit and give its two examples.

A:

Q: Bootstrap Sample Here is a random sample of taxi-out times (min) for American Airlines flights…

A: For the given situation, different bootstrap samples can be obtained. One of the possible bootstrap…

Q: A population consists of the numbers 4, 6, 11, 12 and 7. List all the possible size of 3 from this…

A:

Q: Starting in 2000 and going through Hurricane Harvey in 2017, there have been 264 named storms in the…

A: It is important to note that there are only 264 possible outcomes. So the random number generated…

Q: Q5: A population has five elements 4, 5, 6, 7, 8. Draw all possible samples of size 2 with…

A: Five number : {4,5,6,7,8}

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.