Illustrative Example:Illustrative Examples:Grade 10 learners: 1, 000 learners (population)A. ParameterRandom sample: 100 learners1. The average income of employees of SouthCotabato.sample2. Mean height of the dogs in the municipality.100statistic«3. The percentage of parents willing to permit theirGeneralizationlearners for Face to Face learning in thefrom sample.province.1,000роpulationB. Statisticparameter1. The grade point average of 50 of graduatingGeneralizationGrade 12 learners.from population.2. The percentage of 100 parent who agrees withthe latest health care protocols to fight againstАСTIVITYB. For each, identify the parameter and statistic used inA. Distinguish the following as Parameter or Statistic.the given study.1. The average score in Statistics and Probability of 501. A researcher wants to estimate the average deathlearners in a class of 200.age of Filipino women in the last decade and2. The average allowance of learners in South Cotabato.from a sample of 100 deaths, he obtained a3. The average income of 50 families in the province.sample mean age of 73.4. The percentage of individuals who willing to get2. A researcher wants to estimate the averagevaccinated in the municipality.height of men. From a simple random sample of5. Percentage of learners choosing Modular Distance45 men, the researcher obtains a sample meanlearning out of 100 respondents.height of 163.22 cm.

We need to use the concept of Parameter and Statistic to answer given questions.

Answered: АСTIVITY B. For each, identify the…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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1. Which of the following are examples of statistics? a) Average weight of all adult dogs.b) The 75th percentile of all adult dog weights.c) The largest dog eats lots of blueberry pizza.d) The weight of the largest dog ever.
As part of the National Health Interview Survey, occupational injury data were collected on thousands of American workers. The table summarizes part of the data. Self-employed Employed by others injured 210 4391 Not injured 33724 421502 Total 33934 425893 What’s the relative risk of being injured in self-employed workers versus workers employed by others? Choose from following options. a. 0.2 b. 0.6 c. 0.8
A statistic is a number that... describes a characteristic of a population of scores. describes a characteristic of a sample of scores. is never used to estimate or make a decision about a parameter. summarizes all the individuals a researcher is interested in.
C. The following table summarizes the grade point averages (GPAS) of graduate students in a statistics class. Approximate the mean GPA of the class. GPA Frequency 3.0-under 3.2 3.2-under 3.4 3.4-under 3.6 6 3.6-under 3.8 16 3.8-4.0
Over the first five years of owning her car, Gina drove about 12,700 miles the first year, 15,478 miles the second year, 12,675 the third year, 11,850 the fourth year, and 13,075 the fifth year. a. Find the mean, median, and mode of this data. b. Explain which measure of central tendency will best predict how many miles Gina will drive in the sixth year. a. mean= 12,700; median= 13,156; no mode; the mean is the best choice because it is representative of the entire data set. b. mean= 13,156; median= 12,700; mode= 3,628; the median is the best choice because it is not skewed by the high outlier. c. mean= 13,156; median= 12,700; no mode; the mean is the best choice because it is representative of the entire data set. d. mean= 13,156; median= 12,700; no mode; the median is the best choice because it is not skewed by the high outlier.
The table to the right gives the cost of living index (COLI) for six East Coast counties and six Midwest counties (using an index where 100 represents the average cost of living for all A participating cities with a population of more than 1.5 million). Answer parts (a) through (e) below. B a. Find the mean, median, and range for each of the two data sets. The mean for the East Coast Counties is (Type an integer or decimal rounded to two decimal places as needed.) EUCEY с D F East Coast Counties 104.9 128.7 314.2 134.1 123.5 141.1 DYWXYN Midwest Counties 96.2 92.7 94.4 87.3 95.8 228.3
The average grade for a group of students in a statistics exam was 85 points, with a standarddeviation of 3 points.a. What proportion of students have at least 80 points on the exam? b. What proportion of students have less than 80 points on the exam?
Ms. Lorraine Finch, a fifth grade teacher has a large class of 50 students for the 2018 - 2019 school year. After giving a reading comprehension test, Ms. Finch decided to do a brief statistical analysis. A frequency distribution of the results is presented below. a. Fill in the missing pa rts of Ms. Finch’s frequency distribution. Do any necessary scrap work in the space next to the table. b. Construct a histogram of the frequency distribution. c Is the distribution of test scores normal? Explain. Score Frequency Relative Frequency 84 2 0.04 85 5 0.1 86 0.08 87 8 0.16 88 10 89 90 5 0.1 91 4 0.08 92 3 0.06
Suppose you are interested in the population of all college students in the US and that you collect data from all students from FIT. Is the following a parameter or statistic? The proportion of your school's students who are Business Majors a. parameter b. statistic
The pH of a liquid is a measure of its acidity or alkalinity. Pure water has a pH of 7, which is neutral. Solutions with a pH less than 7 are acidic while solutions with a pH greater than 7 or basic or alkaline. A random sample of lakes in Florida was taken and the pH was recorded for each lake. Summary statistics are given below. The primary question to answer is: "Is there evidence to indicate the mean pH of lakes in Florida is different than the neutral value of 7?" min 01 median Q3 max mean sd n missing 3.6 5.8 6.8 7.4 9.1 6.5906 1.2884 53 A 95% confidence interval for the mean pH level of all lakes in Florida is to be constructed. Fill in the blanks below with the correct values in the formula for this problem. Report all values to three decimal places. Use R Studio or a calculator to obtain the critical value. (Note: report the t-critical value immediately after the +/- sign and the standard error in the last set of parentheses.) 土(

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