I am doing a survey and want to know how many siblings each participant has. Participant 3 leaves that question blank. When I am calculating the average number of siblings for my sample how should I do it, and why?

Q: What is the difference between a sample and a census

A: Sample In statistics and quantitative research methodology, a sample is a set of individuals or…

Q: In order to get patients opinion about the services provided to them by a hospital, a sample of 500…

A: A systematic type of sampling is the sampling in which every kth member is selected to gather a…

Q: Out of 300 students in the school, 225 passed an exam. What would be the mean of the sampling…

A:

Q: A researcher decided to gather data from all 150 employees in a certain office instead of just…

A: A certain office has 150 employees. All of them are selected by a researcher to gather data from.

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A:

Q: A recent graduate chooses 4 continents to visit from the 7 in the world. What is the size of the…

A: A recent graduate chooses 4 continents to visit from the 7 in the world total=7 choose =4

Q: what is sampling methods?   A large social media company wants to survey its users about their…

A: Sample is a small part (or) portion of the population. For example, to check the weights of male in…

Q: A political scientist surveys 28 of the current 101 representatives in a state's legislature. What…

A: A finite part of a population chosen for an experiment is called a sample, and the number of…

Q: The students were subdivided into 4 different categories according to major, classification, gender…

A: Given that  The students were subdivided into 4 different categories according to major,…

Q: A newspaper posted this question on its​ website: "How often do you seek medical information​…

A: Voluntary response sample:If the sample made up of volunteers or self-selected participants then the…

Q: Why does Texas have some of the lowest voter turnout statistics in the nation?

A:

Q: Some middle school teachers have decided that the 8th grade needs a student committee. They need to…

A: Given that  there are total 22 student out of which 5 are selected

Q: Does this statement make sense or not? our study measured the birth weights and incidents of…

A: Here we want to Know that the given statement make sense or not.

Q: isn't the sample size should be 35, not 12?

A: We have given that the information presented by the tutorial school related to the IELTS  mock…

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: You are the operations manager for an airline and you are considering a higher fare level for…

A: Formula for the sample size needed to estimate a population proportion is

Q: A researcher divided subjects into two groups according to gender and then selected 200 members from…

A: Since we know that In stratified sampling we divided homogeneous groups from the heterogeneous…

Q: I want to estimate the proportion of college professors who believe in aliens. How many college…

A: It is given that margin of error (E) is 0.05 and the confidence level is 0.95.

Q: Based on the sample, predict the number of adults in Palm City whose main source of news is…

A: In sample, number of adults whose main source of news is newspaper, X = 54 Sample size n =…

Q: A political scientist surveys 35 of the current 130 representatives in a state's legislature. What…

A:

Q: The sample should include men and women.

A: Margin or error = 0.02 z-critical value at 0.05 = 1.96

Q: A political scientist surveys 39 of the current 143 representatives in a state's congress. What is…

A: According to the given information, We have In a state's congress, a political scientist surveys 39…

Q: How many different letter arrangements can be made from the letters in the word of STATISTICS?

A:

Q: In an Adecco staffing survey of 1000, adults in the US, 140 said the salary was the most important…

A: From the provided information, The sample size is 1000 which is sufficiently large and out of which…

Q: Martha wanted to find out the perceptions of Grade 12 learners in Homeschooling. She randomly…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Obtain the sample size of a no preliminary estimate for p. The formula of sample size is, Use EXCEL…

Q: Eighty- Three doctors working in St. Louis area were surveyed concering their opinions of health…

A: Population: Population is the set of all values in the set of data. Sample: A sample is a set of…

Q: According the the U.S. Census bureau, the percentage of Santa Ana residents with a bachelor's degree…

A: From the provided information,

Q: A data set is described as consisting of n = 15 scores. Based on the notation being used, the data…

A: We have the following statement .

Q: The Ministry of Health in the Canadian Province of Ontario conducted the Ontario Health Survey by…

A: Stratified sampling :- When we have Homogenous distinguishable sub-groups. Then the population is…

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

A: It was stated that a political survey 33 of the current 134 representatives in a state’s…

Q: A political scientist surveys 47 of the current 120 representatives in a state's congress. What is…

A: Population: The population is the set of all subjects of interest. Sample: A sample is the subset of…

Q: Teip An advocacy organization surveys 967 citizens of country A and 182 of them reported being born…

A: Sample proportion: Sample proportion is the proportion of individual in a sample with specific…

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

A:

Q: Why doesn't it make sense to test the hypothesis that the sample mean is 42?

A: It is given that the hypothesis test is sample mean is 42.

Q: Is the sample size of survey is multiplied by 100, then by what factor is the margin of error…

A: Solution

Q: Marina sampled every tenth member of the population in her studies. What type of sampling would she…

A: We want to tell what type of sampling would she be used

Q: If 471 households were surveyed out of which 385 households have internet fiber cable, what is the…

A: Among 471 households 385 households have internet fiber cable, therefore 471-385 = 86 households…

Q: If there are six groups being compared, how many mean comparisons will there be?

A: Given there are six groups.Here, it is required to find the total number of comparisons.

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

A:

Q: cluster sample.

A: Cluster sampling is a probability sampling technique where researchers divide the population into…

Q: In 1946, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Let p1 be the proportion of adults took the survey in 1946 and p2 be the proportion of adults took…

Q: In a random sample of 100 voters, 52 said they planned on voting for the Republican presidential…

A: Identify the value of the sample proportion. The value of the sample proportion is determined below:…

Q: Zoe wanted to know how the students at her university might vote in the upcoming election. What…

A: Zoe wanted to know how the students at her university might vote in the upcoming election. We have…

Q: According the the U.S. Census bureau, the percentage of Santa Ana residents with a bachelor's degree…

A:

Q: A substitute teacher wants to know how students in the class did on their last test. He asks only…

A: Step 1 The sample is 10 students sitting in the front row as the teacher asked only those 10…

Q: What are the applications of Biostatistics, Give at least two examples of your own relevant to…

A: Statistics can be in any form such as numbers, summaries of patterns and probabilities.…

Q: Discuss the four different sampling methods, and for each method, explain why we might use it.

A: Here we need to discuss four different types of sampling methods with their uses.

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.