A study of teenage suicide included a sample of 123 girls and 96 boys between ages of 12 and 16 years selected scientifically from admissions records to a private psychiatric hospital. Suicide attempts were reported by 60 of the girls and 18 of the boys. We assume that the girls constitute a simple random sample from a population of similar girls and likewise for the boys.

Q: What proportion of cars are driving between 75 and 85 miles per hour?

A: We have given that

Q: 110 students at a college were asked whether they had completed their required English 101 course,…

A: It is given that 110 students at a college where 69 students said that they had completed their…

Q: what is the average number of traffic accidents

A: Discrete series means where frequency  of a variable are given but the variable is without class…

Q: How do I use a ti 84 plus calculator to find population proportion

A: A population proportion is a fraction of the population that has a certain characteristic. Suppose x…

Q: How do I find the proportion of a histogram

A: Histogram is the best visualization technique for continuous quantitative data.

Q: A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly…

A:

Q: Why is a sample proportion generally used to estimate a population proportion instead of obtaining…

A: Population proportion: The proportion that is calculated from the population which has a specific…

Q: Imagine that the pregnancy test accurately indicates pregnancy in 97.5% of the people who have it.…

A: The miss rate will be 2.5%

Q: 110 students at a college were asked whether they had completed their required English 101 course,…

A:

Q: 114 students at a college were asked whether they had completed their required English 101 course,…

A: 114 students at a college were asked whether they had completed their required English 101 course,…

Q: A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which…

A:

Q: From the sample statistics, find the value of p1 - p2, the point estimate of the difference of the…

A: From the provided information,

Q: why do we study or use 5 averages in statistics? Elaborate

A: The 5 types of averages we use in statistics are: 1- Arithmetic mean 2-Mode 3- Median 4-Root mean…

Q: A quality-conscious disk manufacturer wishes to knoww the fraction of disks his company makes which…

A: Given, The no. of sample, n =5431 The number of defective, x = 4943

Q: what range of raw scores makes up the middle 40%

A: The middle 40% means, the scores lie between 30th and 70th percentile. From stand normal, z-score…

Q: Using the data, estimate the proportion of this that are defective.

A: Here given A quality conscious disc manufacturer wishes to know the fraction of disks his company…

Q: Explain the sample mean of the difference scores varies.

A:

Q: Out of 220 racers who started the marathon, 199 completed the race, 19 gave up, and 2 were…

A: Since you have posted multiple questions i can do first question as per our company guidelines…

Q: 130 students at a college were asked whether they had completed their required English 101 course,…

A:

Q: What is the difference between the sample mean and sample proportion in statistics? How about…

A: -> The sample mean and sample proportion, these both come under descriptive statistics that…

Q: Does the population proportion and sample proportion always have the same value?

A: The question is about parametric inference.Introduction :Population proportion :The value of…

Q: What does the test of a single proportion entail?

A: The One-Sample Proportion Test is used to assess whether a population proportion (P1) is…

Q: According to the Law of Large Numbers what effect will increasing the sample size have on the sample…

A: It is given that the sample size increases.

Q: 138 students at a college were asked whether they had completed their required English 101 course,…

A: Consider that p is the true proportion of students at the college who have completed their required…

Q: What is the standard error of the sample proportion of people that like a product if you have a…

A:

Q: Find the best point estimate for the proportion of students at the college who have completed their…

A: A point estimate is defined as the single value that is calculated from the sample data to estimate…

Q: 81 students at a college were asked whether they had completed their required English 101 course,…

A: The number of students said yes (x) is 54 and the sample size (n) is 81.

Q: The Bangor Humane Society tracks cat adoptions closely. They sample 54 people who looked at cats…

A: Sample proportion = x/n Here x = 36 and n = 54

Q: 136 students at a college were asked whether they had completed their required English 101 course,…

A: The total no.of college students is, n = 136 The no.of students who have completed their required…

Q: what proportion of 112 is 21?

A: It is needed to find the proportion of 112 that is equal to 21.

Q: Compute the median of 22, 20, 60, 39, 53, 38

A: First we have to arrange the data in ascending order as 20, 22, 38, 39, 53, 60 Then number of…

Q: 88 students at a college were asked whether they had completed their required English 101 course,…

A: Given info: 88 students at a college were asked whether they had completed their required English…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.