A person collects the gas prices at 25 gas stations in Phoenix, AZ. State the population and sample.

Q: Eighty five percent of the council plans to attend the Thanksgiving parade Population Sample

A: Population is the entire group or complete of set of individuals involve in the study. It contains…

Q: What is the Sample Skewness for the following numbers: 168, 81, 97, 79, 81, 146, 2, 136, 118

A: Solution Given That, What is the Sample Skew ness for the following numbers: 168, 81, 97, 79, 81,…

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: 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: find 1st quartilefor given data  45,96,85,75,6,42,53,6,75,92,4,5,63,50

A:

Q: Peds poutn enk

A: To find coterminal angle of any angle, subtract 360 degree or 2 pi from the given angle repeatedly…

Q: d on a sample of 65 people, 98% ed cats cest statistic is: |(to 2 decimal

A: The objective is to test the claim  that the proportion of men who owns cats is significantly…

Q: Who got the last ranking among them? O John O Jack O James O Jane

A:

Q: 9. Maggie recorded the population for two different cities in North Carolina. The results are shown…

A: As per Bartleby guidelines for more than one question asked only one is to be answered please upload…

Q: A political scientist surveys 40 of the current 138 representatives in a state's congress. What is…

A: Determine the size of the sample from the given data. The size of the sample from the given data is…

Q: Catherine Chao, Director of Marketing Research, needs a sample of households to participate in the…

A: Sampling is the process or technique is used to take sample from the population. There are two types…

Q: Identify the sampling technique used. Every fifth person boarding a plane is searched thoroughly.

A: here use basic of sampling method  there are various sampling methods like , systematic , stratified…

Q: Find and interpret the z-score for Montana, which had 1.9% foreign-born residents.

A: a) The percentage of foreign-born residents is 1.9%. That is, score=1.9 From the output, mean=8.73…

Q: Identify the population and sample. In a random sample of Salinas residents, 137 said they would…

A: Population: The population in a statistical study is the entire group of individuals about which we…

Q: A group of randomly selected Throne County citizens were asked to pick their favorite genre of…

A: it can be solved given that  there are 2006 throne country citizen

Q: ung distributibn of the sample means

A: The given graph is, Observe that the given graph looks like  normal distribution . For a normal…

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: What is the average of 47, 38, 56, and 43? O 47 O 184 O 46 O 44

A: Given Data: Given Numbers: 47, 38, 56, 43 There are four numbers given. So, n=4 The average of the…

Q: Pablo randomly picks four marbles from a bag of ten marbles (five red ones, three green ones, and…

A: Given data: The total numbers of marbles are n=10. The numbers of marbles selected are r=4. The…

Q: In the spring, biologists caught 200 wolves in a wilderness area. These animals were measured,…

A: according to question, out of 20 wolves caught , 8 had tags let out of x wolves caught , 200 had…

Q: sample has OX = 64 OX = 60 O X = 70 OX = 68

A: Given: In a sample M=72 s=4 z=-2.00

Q: O a bar chart

A: A bar Chart plots levels of a categorical feature as bars. A box Plot considers numeric data as they…

Q: 488​, 296​, 488​, 384​, 360​, 336​, 416​, 472 mean

A:

Q: A political scientist surveys 38 of the current 146 representatives in a state's legislature. What…

A: Size of the sample (n) = 38 Size of the population (N) = 146

Q: (490, 510)? ne sample mean.

A: Given Data Population Mean,μ = 500.0 Population Standard Deviation,σ = 80.0 sample…

Q: A scientist surveys 2676 of the current 3308 patients taking a specific medication. What is the size…

A:

Q: A political scientist surveys 33 of the current 134 representatives in a state's legislature. What…

A: Sample: A sample is a proper subset of a population to study the characteristics of a population.…

Q: For the facilities manager's sample, find and write with proper notation the sample proportion and…

A:

Q: Find the margin of error and the sample mean ( 7.14,9.50)

A:

Q: Q. Mrs. Trahan samples her class by selecting 5 girls and called? Select one: O a. random O b.…

A: In stratified sampling, the population is divided in such a way that it is homogeneous within the…

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…

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

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

Q: Determine the mean or expec o each Random Variabte- 10 20 PC+) 50% 12% 38 %

A: From the given information, t 5 10 20 P(t) 50%=0.50 12%=0.12 38%=0.38

Q: A political scientist surveys 37 of the current 148 representatives in a state's congress. What is…

A:

Q: Name the type of sampling: Ashley got a list of all the students in the school and used a random…

A: Name the type of sampling: Ashley got a list of all the students in the school and used a random…

Q: Pablo randomly picks four marbles from a bag of ten marbles (five red ones, three green ones, and…

A: Given a bag contains 5 red, 2 yellow, 3 green marble. 4 marbles are drawn at random. Need to find…

Q: Q. Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is assigned to a…

A: Given that Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is…

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: Rangers tagged and released 250 small mouth bass into a Round Lake. A month later, fishermen on the…

A: Given that 250 small mouth bass are tagged and released in lake. A month later a sample of 50 mouth…

Q: 2. The weights, in grams, of seven sweet potatoes are 260, 225, 205, 240, 232, 205, 214. What is the…

A:

Q: A writer for an art magazine randomly selects and interviews fifty male and fifty female artists.…

A: From the given data, Here, Males and females are two stratas and stratified sampling is done by…

Q: The NBA commissioner wishes to know how many hours per day NBA players watch TV. He sampled the…

A: Given data, 4,2,6,1 Find the sample mean and sample standard deviation?

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: The highway mileage (mpg) for a sample of 8 different models of a car company can be found below.…

A: The ascending order of the data set is: 17, 21, 24, 26, 29, 33, 36, 36 Here, n = 8. In the given…

Q: Pablo randomly picks three marbles from a bag of eight marbles (four red ones, two green ones, and…

A: Given a bag contains 4 red, 2 yellow, 2 green marbles. 3 marbles are drawn at random. Need to find…

Q: political scientist surveys 31 of the current 99 representatives in a state's legislature. What is…

A: Given: A political scientist surveys 31 of the current 99 representatives in a state's legislature.

Q: The phone bills for Dr. Kinch's cellular phone over the last seven months were as follows: $98,…

A: Given that, The phone bills for Dr. Kinch's cellular phone over the last seven months were as…

Q: Kristen Ashford purchased the subscribers list for Wind Surfing magazine. She plans to survey a…

A: We know that the A systematic sample design is a sampling technique in which we select the first…

Q: Identify the type of sampling in each question b} A website puts up a survey and asks readers to…

A: Given Information: A website puts up a survey and asks readers to select whom they will vote for…

Q: A political scientist surveys 27 of the current 152 representatives in a state's legislature. What…

A:

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.