A researcher randomly selected 100 adults aged 18-25 and 100 adults aged 50-60. Within each age group, she recorded the number of smokers.  Group of answer choices a.quantitative, dependent b.qualitative, independent c.quantitative, independent d.qualitative, dependent

Q: Compute a 90% confidence interval for the proportion of American adults who mostly drink diet soda.…

A: We have number of sample n= 2027  Number of favourable x= 485 number of people surveyed most drank…

Q: orty studens ha dass at an ney can speak. Complete the table. Foreign Language Gender Chinese…

A: Explanation of the answer is as follows

Q: a. The proportion of Pennsylvanians with a high school diploma is equal to 0.83. b. The proportion…

A:

Q: A group of students were surveyed about the number of siblings they have. The frequencies and…

A: Solution: From the given information, the table of frequencies and relative frequencies of their…

Q: n a class of 25pupil's their are 8individual who played in the hockey team.what percentage of class…

A: Given : Total no. of individual in a class (N) = 25 No. of individual who played in the hockey team…

Q: How many people took part in this survey? * The table shows data about what type of phones that…

A: To arrange the data of two categorical variables, two ways contingency table is used. The first row…

Q: Several years ago, two companies merged. One of the concerns after the merger was the increasing…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: . If the medical faculty has 584 students registered, calculate how many medical students would be…

A: Given data in the problem is  University of the East Europe is interested in the overall performance…

Q: A survey was conducted in order to find out how many Abu Dhabi residents visit Dubai Shopping…

A: Population is a complete set of elements for which the study to be required to conduct. The subset…

Q: Select the statement below that gives an example of a statistic.

A: Select the statement below that gives an example of a statistic. 1): According to census data, about…

Q: The cumulative number of AIDS cases reported for a county is broken down by ethnicity as in the…

A: The cumulative number of AIDS cases reported for a county is broken down by ethnicity as in the…

Q: A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed…

A: The mean value is obtained below: The sample mean is 0.717 ppm.

Q: In a survey of middle school students, 70% play basketball and 40% play basketball and football. Of…

A:

Q: A total of 125 hazardous waste sites are operated by waste management companies in a state.  The…

A: The number of sites in each of the state’s 25 counties is shown in the table…

Q: Anya gathered a random sample of chips from a popular company. She calculated data on different…

A: Given that Arya gathered a random sample of chips from a popular company and for the data collected,…

Q: The average college student drinks 12 cups of coffee a week. What type of test was computed to make…

A: Here, the average college student drinks 12 cups of coffee a week.

Q: An article comparing the value of several popular Caribbean resorts collected the following data:…

A: In statistics, according to measurement, data can be categorized in two types, such as quantitative…

Q: Holiday Blues. A poll was conducted by Opinion Research Corporation to estimate the proportions of…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: A sample data consisting of 221 values is ordered in an increasing order. The median is Select one:…

A:

Q: In 2016 the Better Business Bureau settled 79% of complaints they received in the United States.…

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

Q: a. What test will you do? b. What are the hypotheses? c. What is the decision rule? d. Calculate the…

A: b) The null and alternative hypotheses are below: H0 :There is no difference in the mean scores of…

Q: Researchers examined the influence of a television program on children's aggressiveness. The number…

A: (since it is nit mention which question so as per our protocol we shall answer only the first three…

Q: 4- A florist is interested in the proportion of her clients that prefer roses in their flower…

A: In statistics, a population is a set of similar items or events which is of interest for some…

Q: At a university 60% of students take a math course, 50% take an English course. Assume Math and…

A: It is given that at a university 60% of students take a math course, 50% take an English course. It…

Q: among the 1018 respondents, 428 said that pesticides are "not at all harmful."  What percentage of…

A: Total number of respondents = 1018Total number of respondents said that pesticides are "not at all…

Q: Several years ago, two companies merged. One of the concerns after the merger was the increasing…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: The following table represents the survey conducted in a school.   Male female Chicken fried steak…

A:

Q: Students in a small statistics class were asked which was their dominant hand and if they were in a…

A: Given,   Right Left Total STEM, Yes 6 1 7 STEM, No 7…

Q: To the nearest whole number, what percent of respondents did not choose Dominos or Marcos as their…

A: Given that: The frequency of each respondent's favorite pizza shop is recorded and shown in the…

Q: 15 mothers were asked which brand of milk they prefer for their children. The choices are Nido,…

A: "A certainty span is a scope of values that is probably going to incorporate" the "populace…

Q: What is the mode for this data set

A: The data that has the highest frequency is called mode. In other words, it is the most frequent…

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.