The body mass index of an individual is one measure that is used to judge whether an individual is overweight or not. A BMI between 20 and 25 indicates that one is normal weight.  In a survey of 750 men and 750 women the Gallup organization found that 204 men and 270 women were normal weight. Test at a 10% significant level whether there is a difference in the proportion of men and women who are normal weight. Use the p value method

Q: A report statesb that 45% of home owners had a vegetable garden, how large a sample is needed to…

A: Answer: From the given data, population proportion (P) =45% = 0.45 Margin of error (ME) = 6% = 0.06…

Q: 16 Sacks of grain packed by an automatic machinc loader have an average wcight of 114 pounds. It is…

A:

Q: Arsenic is toxic to humans, and people can be exposed to it through contaminated drinking water,…

A: The following levels were recorded: 0.8 1.9 2.7 3.4 3.9 7.1 11.9 26.0 We know that for any…

Q: Listed below are pulse rates​ (beats per​ minute) from samples of adult males and females. Find the…

A: Given : Pulses rates of males and females are : Male: 58 86 52 57 98 65 62 72…

Q: Clinical trials involved treating flu symptons with a new medicine.  Among 1123 patients treated…

A: From the provided information, Sample size (n) = 1123 90 experienced a side effect of dizziness that…

Q: Identify the two samples as independent samples or dependent samples. A training program assessment…

A: When the two groups of samples are somehow related, then the groups of samples are called dependent…

Q: A new formula for a propellant missile is being tested to determine if it is superior to the current…

A: The null and the alternative hypotheses re, H0: µ≤340 HA: µ>340 From the given data the sample…

Q: Gay/lesbian Bisexual Heterosexual/Straight MG/L = 16 MBi = 17 MH/S = 22   Source SS df MS…

A: SSorientation=300,SSerror=2961There are three treatments and each treatment has 22…

Q: Sampling is the main technique for . the size of data from the population size to a manageable size.

A: Sampling is the process of choosing a sample from a larger population for the purpose of statistical…

Q: A local college cafeteria has a self-service soft ice cream machine. The cafeteria provides bowls…

A:

Q: The table available below shows the weights (in pounds) for a sample of vacuum cleaners. The weights…

A: Answer Using One -way Anova table:level of significance =0.05

Q: Gay/lesbian Bisexual Heterosexual/Straight MG/L = 16 MBi = 17 MH/S = 22   Source SS df MS…

A: SSorientation=300,SSerror=2961There are three treatments and each treatment has 22…

Q: measurements from this patient is approximately normally distributed. Determine the critical…

A: Given data : 189 186 199 197 190 186 185 200 200 200 185 190

Q: 2. Let sample proportion . How large a sample should be taken to be 95 % sure that the error of…

A: Let proportion be p=0.50 E=0.02 z-value at 95% confidence is Zc=1.96 n=?

Q: Suppose you are asked to toss a coin 16 times (9 Heads) and calculate the proportion of the tosses…

A: The following information is given,  We tossed a coin 16 times. The probability of head and tail is…

Q: Do you have enough good cholesterol?” High density lipoprotein (HDL) is sometimes called the “good…

A:

Q: Are any of the leaf measurements from the table the same as the mean? How many of the leaves were…

A: Given Sample size, n=20 Oak-Leaf Lengths: 78,69,62,74,69,51,45,40,9,64,65,64,61,69,52,60,66,71,72,27…

Q: what is the probality that a filled carton contains less than 30 or more than 34 ounces? sd:1.2 and…

A: Let X be the random variable from normal distribution with mean (μ) = 32.2 and standard deviation…

Q: Find the value of a, b, …, f in the one-way ANOVA table below. Source SS df MS F…

A: Given See the handwritten solution

Q: Gay/lesbian Bisexual Heterosexual/Straight MG/L = 16 MBi = 17 MH/S = 22   Source SS df MS…

A: SStreatment=300,SSerror=2961There are three treatments and each treatment has 22…

Q: Researchers examined the influence of a television program on children's aggressiveness. The number…

A: Since we only answer up to 3 sub-parts, I'll answer the 1st 3 sub-parts. Please resubmit the…

Q: Does this historgram follow a normal distributon and why? Based on the histogram, how many pigs…

A: Given a histogram showing the percentage of pigs and their weights in lbs.

Q: Explain how the sample statistic and the population parameter relate to one another.

A: The objective of this question is to understand the relationship between a sample statistic and a…

Q: A rare birth defect occurs in approximately 0.5% of all cases in males. If we sample all the males…

A: Given information: The total number of males born in 2016 in a specific region is N = 200,000. It is…

Q: In a random sample of 73 items produced by a machine, the quality control staff found 25 of them to…

A: Sample proportion is always a point estimate of population proportion

Q: At the particular courthouse, to increase his or her honor's statistical power, a judge can 1.…

A: Power of the test: Power of the test is defined as the probability of rejecting the null hypothesis…

Q: A survey was conducted to determine the distribution of home sizes in the state of Washington. The…

A: The homes that were surveyed larger than 4000 square feet come under the interval of 4000-5000 feet,…

Q: . Refers to any measurable quantity calculated from the sample.

A: A statistic Refers to any measurable quantity calculated from the sample.

Q: The Congressional Budget Office reports that 36% of federal civilian employees have a bachelor's…

A: Given : Mean = μ = 0.36  Level of significance = 0.05 p^ = xn    = 31118    = 0.2627

Q: What is the F critical value?

A: Here the the groups are given as,Gay/lesbian,Bisexual or Heterosexual/straight.Let  are the…

Q: 8 is incorrect. How many people are considered morbidly obese is blank?

A: (a) Morbidly obese countA dot plot is a type of visualization that works by using dots to explicitly…

Q: The test was designed to research whether the blood sugar level depends on age. 100 randomly chosen…

A: For conducting statistical hypothesis for two groups of data with small sample size and unknown…

Q: Listed below are the distances (m) recorded in a Shot Put competition. 18.4, 17.6, 15.4, 21.1,…

A: Quartiles : Three variate values of the variable, say x which divides the series (frequency) into…

Q: compare the breathing rate before and after breath holding. chose the correct statistical test what…

A: For comparing the breathing rate before and after breath holding , we will be measuring the…

Q: A recent newspaper story claims that less than 12% of the current US workforce are union members. A…

A:

Q: State the hypotheses. Ho: Select an answer H₂: Select an answer Calculate the F test statistic.…

A: From the information, the claim of the test is that, the mean length of cuckoo birds eggs is not all…

Q: A golf association requires that golf balls have a diameter that is 1.68 inches. To determine if…

A: One sample t-test: The one -sample t -test is used to determine whether the mean of sample differs…

Q: It was hypothesized that there will be a difference in the average test score in Chemistry class…

A: Denote μ1, μ2 as the true average test scores in Chemistry class between high schoolers who watched…

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.