A small portion or a subset of the population on which data is collected for conducting statistical analysis is called __________. a census a sample a data set a population

Q: lity Question

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Q: Frequency of Value 14 12 10- 2 -30 -20 -10 0 a) How many observations are more than 10? Value c) How…

A: Histogram Note: According to bartelby question answer guidelines an expert can solve only three…

Q: Question 3 This data set below has no mode! 99, 64, 17, 50, 67, 14, 84, 39, 44, 61, 85

A: There are three measures of central tendency: Mean Median Mode The three measures are defined as:…

Q: The following table presents data on the weight of 40 students Berat Badan/Weight (kg) Frekuensi /…

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Q: Commissions Earned This frequency distribution represents the commission earned (in dollars) by 100…

A: Class  limits    class            fi               xi                          fixi150-161        14…

Q: To inspect manufacturing processes, companies typically examine samples of parts for deficiencies.…

A: Given data is24 , 21, 10 , 28 , 11, 9 , 8 , 23sample size(n)=8

Q: The table shows the country of origin and the percentage of foreign-born people in a certain country…

A: A chi square test is a statistical technique to determine the difference between two categorical…

Q: Variables Age at which first child was born           AGEKDBRN         Survey question: How old…

A: Let μ1 be the mean age of first child was born for men and μ2 be the mean age of first child was…

Q: Heights The boxplot shown below results from the heights (cm) of males listed in Data Set 1 “Body…

A: The box plot contains 5-number summary. That is, the minimum value, the first quartile, the second…

Q: (9) IS IT reasonaDie to interprer tne y-intercept/ wny7 Seiect tne correct cnoice Deiow ana, Ir…

A: (g) The y-intercept is not reasonable to interpret, because a house of 0 square feet is not possible…

Q: The activity or the process of collecting the data on the population is called __________. a data…

A: A portion or subset of the population is known as sample. It is collected from the Population.

Q: Interpreting and Analysing Data 82 people were surveyed as to how many TVs they had in their homes.…

A: Given data,   Number of TV's per household Frequency 0 1 1 10 2 24 3 21 4 16 5 9 6…

Q: Identify the type of data. Continuous Numerical Data       Discrete Numerical Data

A: Nominal Data: Nominal data is used for labelling the categories with out ordering. Ordinal Data:…

Q: Frequency 8 6 2 국 1 7 13 19 25 31 37 data €1 Based on the histogram above, what is the class width?…

A: Find class width and sample size

Q: An instructor gives four 1-hour exams and one final exam, which counts as two 1-hour exams. Find a…

A: There are four 1-hour exams.  Grades in 1-hour exam:  62, 83, 97, 90  There is one final exam,…

Q: What is your family type? Small Medium 25.4% big 57.2% 17.4 % How many member are there in your…

A: We have given that the data in pie chart form.

Q: Sample proportions target the value of the population proportion.  True or false?

A: The sampling is done in order to estimate the proportion of a population that has a specific…

Q: Construct a cumulative frequency distribution with 7 classes.

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Q: Gas mileage (in miles per gallon) Frequency 28-32 8 33-37 13 38-42 1 43-47 5 The gas mileages (in…

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Q: Find the mean of the quiz scores in the table to the right. (...) Value Frequency 9 4 10 2 11 3 15 4

A: x f fx 9 4 36 10 2 20 11 3 33 15 4 60   n = 13 ∑fx = 149

Q: Data showing the population by state as of 2012 in millions of people follow (The World Almanac). No…

A: Frequency is the measure of count. It measure the larger set of data set into discrete or continuous…

Q: Find the midrange for the following group of data items.   28, 25, 24, 23, 29, 26, 22, 24 The…

A: Given the data set, 28, 25, 24, 23, 29, 26, 22, 24 The midrange is the value that is midway between…

Q: Espanol An intelligence test was recently administered to a group of 22 people. Their respective…

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Q: Statistical Process Explain how it is Calculated Example of when used in Criminal Justice Mean…

A: Measure of dispersion and measure of central tendency are the two types of descriptive statistics.

Q: (a) Determine the standard deviation of recumbent length for all 20 observations. cm (Round to two…

A: here sample size n= 20 here given data recumbent length  xi  = recumbent length

Q: Checking answer A professor recorded the academic major for each student in an introductory…

A: Given data:  professor recorded the academic major for each student in an introductory psychology…

Q: Find the variance. The variance is Part: 2 / 3 Part 3 of 3 Find the standard deviation. The standard…

A: Given data is45,47,46,60,62,61,72,56,59,71,73,59sample size(n)=12

Q: A Give the original data set from the stemplot given below. 4 0 0 1 5 5 2 27 6. 70 7 7 99

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Q: Question The frequency table below shows the ages of the students in a psychology lecture hall.…

A: The given frequency table shows the ages of the students in a psychology lecture hall.

Q: Formula to calculate the median in excel Select one: O a. =median(e4;e6) O b. All the options are…

A: Median: For a set of n observations, median is defined as the middle most value. To find median, we…

Q: Part 1 Which of the following groups has terms that can be used interchangeably with the​ others?…

A: Which of the following groups has terms that can be used interchangeably with the​ others?

Q: Choose the appropriate unbiased estimate for each parameter. the population mean the population…

A: Sol:-

Q: Find the mean, medialn, (a) 6 67 89 12 mean median mode (b) 6 6 7 89 108 mean

A: Given, Datasets for part a) and part b) Mean: Add the all observation in the data set divided by…

Q: A study is done to determine the average time people wait in line for the Pirates of the Caribbean…

A: Research Study: Research is conducted to acquire knowledge and skills or to address questions about…

Q: Partially Correct Your answer is incorrect. The weights (in pounds) of 18 preschool children are 46,…

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Q: Distribution of Proportions Each week, Nielsen Media Research conducts a survey of 5000 households…

A: In a survey of 5,000 households, a proportion of households tuned to 60 minutes.

Q: Discuss andWrite a paragraph about this data as a sentences

A: Introduction :-  Here we have given 3 questions and the pie charts related them. We have to…

Q: Identify the type of data. Continuous Numerical Data       Discrete Numerical Data…

A: Given that  Nominal data: Nominal data measure qualitative data and it is the name of variable.…

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.