b. Tessy and Tracey's Industries Limited Manufacture an industrial item for regional market. The weight distribution of 100 items is shown in the following table. Weight (gm.) Number of Items (Cumulative frequency Less than 1000 1000 and less than 1020 1020 and less than 1040 18 40 1040 and less than 1060 70 1060 and less than 1080 85 1080 and less than 1100 95 1100 and mnore 100

Q: A certain health maintenance organization (HMO) wishes to study why patients leave the HMO. A SRS of…

A: Here n= 3                 O E  (O-E) (O-E)2/E   64 59 5 0.4237   27 37 -10 2.7027   50…

Q: An agronomist undertook an experiment to investigate the factors that potato harvest. In his…

A: We want to find the regression line and estimate value and interpretation of coefficient of…

Q: The International League of Triple-A minor league baseball consists of 14 teams organized into three…

A: from data  xn =7702.17xw =8429.75xs =5565.50

Q: A researcher records the number of employees of each of the IT companies in the town of Westmoore.…

A: It is an important part of statistics. It is widely used.

Q: a researcher wants to determine how employee salaries at a certain company are related to the length…

A: Given:

Q: 2. Find the mean of this data set: 8, 8, 3, 4, 8, 6, 4, 3. OA. 5 OB. 5.5 O c. 6 OD. 8

A: GIVEN DATA,  data set are:8,8,3,4,8,6,4,3we have to find out the mean of the data=?

Q: 6. The overall distance traveled by a golf ball is tested by hitting the ball with Iron Byron, a…

A:

Q: Su The table to the right gives the number of passenger car occupants killed in accidents in a…

A: The data is given by Car type frequency Subcompact 1300 Compact 4169 Intermediate 4026…

Q: How many modes are there in this set of data: 2, 2, 3, 3, 3, 4, 5, 6, 6, 6, 7, 7, 8, 8

A: From the provided information, The data values are 2, 2, 3, 3, 3, 4, 5, 6, 6, 6, 7, 7, 8, 8

Q: how many sports played male vs female based on the data

A: Given, The number of sports played by the students: Grade Number of students 9 16 10 13 11…

Q: A statistics professor wants to determine how students' final exam scores arerelated to the quiz…

A:

Q: find range and midrange of data…

A:

Q: Calculate the difference between List Price and Sale Price for each condominium by creating a new…

A: Given the data on the Gulf View condominium.Calculate the difference between the List Price and Sale…

Q: College students and surfers Rex Robinson and Sandy Hudson collected data on the​ self-reported…

A: Formula for mean:

Q: Find the number of people living with AIDS per thousand residents in each region by dividing the…

A: Given table is, Region AIDS Rank Cases Population Population ​(thousands) AIDS per 1000…

Q: The 2008 general social survey asked a nationally representative sample of 1324 adult americans to…

A: Approach to solving the question: Based on the cumulative frequency calculations provided…

Q: 4. Trying to determine the number of students to accept is a tricky task for universities. The…

A: Given Output is:

Q: College students and surfers Rex Robinson and Sandy Hudson collected data on the self-reported…

A: b.) We need to compute the standard deviation for the given data.

Q: ou want to determine how many loaves of Bread are sold per day at Schat’s Bakery. You stand outside…

A: You want to determine how many loaves of Bread are sold per day at Schat’s Bakery. You stand outside…

Q: On the following pages you are presented with five problems. Your job is to examine the output and…

A: Given that, Variable 1 = Race or ethnicity (RACECEN) Variable 2 = Gun in home (OWNGUN) Level of…

Q: 6. Let's continue our analysis of offenders and victims of violent crime. In the following table,…

A:

Q: Empirical Rule

A: This is 68-95 -99.7%rule According to empirical rule,  there are 68% observations within one ( sigma…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.