robability and Non-Probability: Fill in the blanks. No need explanation 1. _____ also called "chain-referral sampling" The samples have the traits that are rare to find. 2.In _____ sampling, the researcher is the one who choose who to participate based on the need of the study.  3. ______ sampling is used when the population or geographical area of the research is so large. 4. In _____ sampling, there is no assurance that each item/person has a chance of being selected as a sample.

Q: Determine whether the situation tells about a statistic or a parameter. __________1. Seventy-six…

A: Statistic refers to the feature of a sample of the population and It is a known value Parameter…

Q: explain this elements of Sampling? 1. Sample is the representative of all the characters of the…

A: 1) Sample is the representative of all characters of the population. This means that if we choose…

Q: Monday at the local elementary school each grade level was asked their favorite flavor of ice cream-…

A: Given info: Monday at the local elementary school each grade level was asked their favorite flavor…

Q: The data are the colors of cars. You sample 6 cars. The colors of the cars are white, gray, purple,…

A: Qualitative data : Qualitative data can be grouped according to categories. It is also called…

Q: Imputing data means which one of the following. You are sampling missing data. You are mining…

A: replacing the missing value.

Q: _________________ consists of everything or everyone being studied. a. Data b. Sample c. Population…

A: We know that; A Population consists of all subjects  processing certain Common characteristics that…

Q: A statistics instructor wonders whether significant differences exist in her students' final exam…

A:

Q: Situation The sum of the product of the individual frequency and difference of the datum and mean is…

A:

Q: the sample size affect the margin of error, E? size increases, the margin of error stays the same.…

A: According to the given information in this question, we need to identify the correct option about…

Q: Which is the best description of the data in the scatter diagram? Negative association; the…

A: The scatter diagram graph pairs of numerical data, with one variable on each axis to find a…

Q: The scatterplot illustrates the relationship between distance and success rate of field-goal…

A: Given,

Q: The sample data below shows the number of hours spent by five students over the weekend to prepare…

A: N=5for Monday’s Business Statistics exam.312235

Q: 18 5 -7 Let u = -12 and A = -4 8 Is u in the plane in R3 spanned by the columns of A? Why or why…

A:

Q: Grouped data are to ungrouped data as ______. Select one: a. continuous is to discrete

A: The grouped data is the data in the form of class intervals and it is continuous data.

Q: Identify what is being defined /described in each item.    __________1. It is the most basic…

A: The objective is to identify what is being defined/described in each of the given items.

Q: Population 1 has a mean of 20 and a variance of 100. Population 2 has a mean of 15 and a variance of…

A:

Q: A study was conducted by researchers to study the difference between the volumes of rainfall in two…

A: If a population is normally distributed then the sampling distribution of sample mean also follows…

Q: Z-Test or T-Test For this assignment, you will review two different situations that both involve…

A: Given, Situation 1 Population The mean number of emails: μ1=30 Standard deviation: σ=4 Sample…

Q: ____ indicates the strength and direction of an association while _____ shows the amount of variance…

A: The statement is given.

Q: The advertised weight of oranges in an ad is 8.5 ounces. Fifty oranges were randomly selected and…

A:

Q: Tuesday at school the boys and girls were asked separately what their favorite type of novel was-…

A: Introduction: A data set is considered to be univariate if it collects information on only variable…

Q: Please answer questions ( iv , v, vi)  for question iv the options are a. sample variance, b.…

A: Given data is:

Q: Directions: Identify which type of sampling is used: random, stratified random, cluster, systematic,…

A: Given scenarios, we have to identify which type of sampling is used in each scenario.

Q: MAT 312 PLEASE HELP After being hired as a financial advisor for a large real estate company, you…

A: The objective of this question is to analyze the relationship between the size of a home and the…

Q: Selection of the samples based on the convenience of the researcher is an example of

A: When a surveyor selects the sample on the basis of their judgement, then the sample is said to be…

Q: Suppose that you are using independent samples to compare two population proportions. Fill in the…

A:

Q: SAMPLING DISTRIBUTION Refer the the picture. a. how many samples of size 2 are possible? b. List all…

A: Population is the set of outcomes of interest. Sample is a subset of the population. Permutation and…

Q: Identification: It is used in testing one population mean when the sample is small. The difference…

A: Null Hypothesis: A hypothesis which is tested for plausible rejection is called the Null Hypothesis…

Q: Less

A: Variability within the Group: Variation caused within individual groups. not all the values within…

Q: (a) Find P(X=0) (since there have been no earthquakes that severe in the past decade) in terms of 2.

A: E = expected time until next earthquake. Times between the events of the process follow exponential…

Q: Determine whether the data described below are qualitative or quantitative and explain why The types…

A: Qualitative data are the data which can't be measure or count

Q: By how many times does the sample size have to be increased to decrease the margin of error by a…

A: Given that By how many times does the sample size have to be increased to decrease the margin of…