Statistics

Replies / Views	Last post
A population has a mean of 180 and a standard deviation of 24. A sample of 64 observations will be ... Started by kmcolvin	1 Replies 89 Views	Mar 25, 2023 by 3ginamay
A population consists of 500 elements. We want to draw a simple random sample of 50 elements from ... Started by Adc3669	1 Replies 94 Views	Mar 25, 2023 by lola.jashay
A finite population correction factor is needed in computing the standard deviation of the sampling ... Started by Austinleez3	1 Replies 60 Views	Mar 25, 2023 by Asfa
There are 8,000 students at the University of Tennessee at Chattanooga. The average age of all the ... Started by olivia_rose	1 Replies 77 Views	Mar 25, 2023 by Sophia0717
The SAT scores have an average of 1200 with a standard deviation of 60. A sample of 36 scores is ... Started by acwiles	1 Replies 61 Views	Mar 25, 2023 by mamboz
The milk prices (in quarts) from a sample of 9 convenience stores in Chattanooga, Tennessee are ... Started by poopoo	1 Replies 70 Views	Mar 25, 2023 by nikspatel037
The life expectancy in the United States is 75 with a standard deviation of 7 years. A random sample ... Started by agstelzer01	1 Replies 60 Views	Mar 25, 2023 by xinyifff
The following information gives the number of days absent from work for a population of 5 workers at ... Started by jlbond23	1 Replies 58 Views	Mar 25, 2023 by athenaheim
The average weekly earnings of bus drivers in a city are $950 (that is ) with a standard deviation ... Started by aeb093	1 Replies 58 Views	Mar 25, 2023 by Rcfelber
The average lifetime of a light bulb is 3,000 hours with a standard deviation of 696 hours. A simple ... Started by Caileynorton	1 Replies 58 Views	Mar 25, 2023 by xinyifff
Ten percent of the items produced by a machine are defective. A random sample of 100 items is ... Started by Hunchojack2019!!	1 Replies 58 Views	Mar 25, 2023 by bigboya
Students of a large university spend an average of $5 a day on lunch. The standard deviation of the ... Started by olsonmanny@gmail.com	1 Replies 55 Views	Mar 25, 2023 by knguyen
Starting salaries of a sample of five management majors along with their genders are shown ... Started by kled	1 Replies 50 Views	Mar 25, 2023 by Sha
MNM Corporation gives each of its employees an aptitude test. The scores on the test are normally ... Started by Rafic Kaaki	1 Replies 58 Views	Mar 25, 2023 by Htimsrs
Michael is running for president. The proportion of voters who favor Michael is 0.8. A simple random ... Started by ahunt13	1 Replies 56 Views	Mar 25, 2023 by char00char
In a restaurant, the proportion of people who order coffee with their dinner is .9. A simple random ... Started by C0DxHalo	1 Replies 39 Views	Mar 25, 2023 by furthoh
In a local university, 10% of the students live in the dormitories. A random sample of 100 students ... Started by dongbo	1 Replies 91 Views	Mar 25, 2023 by ellie
In a large university, 20% of the students are business majors. A random sample of 100 students is ... Started by rubiosusy7	1 Replies 69 Views	Mar 25, 2023 by my33251
Consider a population of five weights identical in appearance but weighing 1, 3, 5, 7, and 9 ... Started by gboileau	1 Replies 60 Views	Mar 25, 2023 by mllong
Consider a population of five families with the following data representing the number of pets in ... Started by jacob816	1 Replies 45 Views	Mar 25, 2023 by Nutellas_Good
Below you are given the values obtained from a random sample of 4 observations taken from an ... Started by kled	1 Replies 41 Views	Mar 25, 2023 by as4309
An experimental diet to induce weight loss was followed for one week by a randomly selected group of ... Started by vowens	1 Replies 46 Views	Mar 25, 2023 by rhhoagland
An automotive repair shop has determined that the average service time on an automobile is 130 ... Started by knemetz3	1 Replies 45 Views	Mar 25, 2023 by Harsh06
An automotive repair shop has determined that the average service time on an automobile is 2 hours ... Started by jany123	1 Replies 35 Views	Mar 25, 2023 by gyvette
A simple random sample of 8 employees of a corporation provided the following ... Started by Adc3669	1 Replies 41 Views	Mar 25, 2023 by lhn821