You are given the following data. Do these figures support the hypothesis that intelligent father has intelligent sons?5% Intelligent sons Dull sons Intelligent fathers Dull father 24 12 32 32 value of chi square for 1 degree of freedom is 3.841. State the hypothesis and give conclusion in order to accept or reject the hypothesis.

Q: For H0 and H1 with 0.05 alpha, HO: Salary and Gender are independent H1: Salary and Gender are not…

A: Given Using Excel:

Q: Do teenage boys and teenage girls have significantly different social media habits? A sociologist…

A: Denote μB, μG as the population average time spent on social median by a teenage boy and girl,…

Q: 11 12 13 14 D 12 3 4 5 6 570 539 580 488 610 418 477 329 398 377 352 627 504 375 tudent 7 8 10 core…

A: First Second D (D-Dbar)^2 570 576 -6 71.04082 539 551 -12 5.897959 580 605 -25 111.7551 488…

Q: We are pulmonologists (doctors who treat lungs), examining lung function in adults with cystic…

A: The data on the values of FEV1 is given below,3435454748515960667086113The 1st quartile is Q1=462nd…

Q: What is the z-score for a woman 5.5 feet tall? (Enter your answer rounded to two decimal places.) z…

A:

Q: A local veterinarian uses Z-scores to determine if newborn puppies of certain breeds are severely…

A: Answer:- According to the given information,  For shiba inu puppy, Mean, μ = 13.9  Standard…

Q: When you post a picture on social media, it seems like your friends randomly "like" the picture.…

A: Givenp=27.5%=0.275Let "x" represent the no.of pictures you post until one is…

Q: Health care workers who use latex gloves with glove powder on a daily basis are particularly…

A: Sample size, Sample mean, Sample standard deviation,

Q: In a science fair​ project, Emily conducted an experiment in which she tested professional touch…

A: Given: Number of events (x) = 152 Number of trials (x) = 326

Q: In a science fair project, Emily conducted an experiment in which she tested professional touch…

A: Emily flipped a coin to select either her right hand or her left hand and the therapists were asked…

Q: ending less time engaged with course during online than in person,At the end of the semester…

A: For online : sample size (n1) = 15 sample mean (x̄1) = Σx1 /n1 = 62/15 = 4.13 sample standard…

Q: 1. The table shows the number of deaths in the U.S. in a year due to a variety of causes. For these…

A: The total population of the USA is given to be312 million. The table below shows the number of…

Q: About 10% of the human population Is left-handed. Suppose a researcher speculates that artists are…

A: Solution: n= 150 Sample size of artist  x= 18 artist are left handed  p^=xn=18150=0.12  Sample…

Q: a. What percentage of the men said Yes? % of men said Yes. (Type an integer or decimal rounded to…

A:

Q: The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For…

A: We have to find we can support claim or not.

Q: A 2009 study shpwed that handling money reduces the perception of pain. Two groups of participants…

A: From the given data set: Sample size for money (n1)=9 Sample size for the paper (n2)=9 Level of…

Q: at 0.05 level? B. Based on your conclusion, what type of error could you have just made? Describe a…

A: Test statistic   z =-1.5538 p-value = 0.1202 Decision: Fail to reject H0.

Q: a. What percentage of the men said Yes? D% of men said Yes. (Type an integer or decimal rounded to…

A: here ASPER POLICY I HAVE CALCULATED 3 SUBPARTS PLZ REPOST FOR REMAING here given contingency table…

Q: Look at the table that lists SAT scores before and after a sample of five students took a prep class…

A: We have given that  Null and alternative hypothesis  Ho: u=0  Ha: u>0 claim And given data

Q: What percentage of scores is between a z of ‐2 and a z of +2? Why is this important?

A: Use Empirical rule to solve it

Q: QUESTION 10 Hampton conducts a hypothesis test with Ho:µ = 44 mm and H1: µ> 44 mm at the a = 0.01…

A:

Q: Blood pressure in men: The three quartiles for systolic blood pressure in a sample of 3184 men were…

A: Given,Q1=97Q2=116Q3=135

Q: BREAKFAST AND TEST SCORES 3 of 4 What is the observed z/t-score? Conventional wisdom says that…

A: we have given test scores summary of two groups 1st one is who did not eat breakfast  and 2nd one is…

Q: school studen field (HEF)" without touching patients. The student believes that a practitioner with…

A: To test whether the practitioners with less years of experience predicts HEF correctly or not.

Q: a. If the data is weight, the z-score for someone who is overweight would be O positive negative O…

A: a) If data is weight, the z score for someone who is overweight will be positive. b) If data is IQ…

Q: Barry calculates an F-ratio involving the SAT scores of three groups and does NOT reject the null…

A: In order to determine whether there is significant difference in between the mean SAT scores of…

Q: 1. A sample of data is collected from a group of college students (X = 112, Sx = 12, N= 58). It is…

A:

Q: 1. What is the independent and what is the dependent variable, and the total sample size? 2.…

A: The given contingency table for the race of the defendant and the type of received sentence is as…

Q: A researcher selects a sample and administers a treatment for anxiety to the individuals in the…

A: The null hypothesis is the treatment has no effect on anxiety.

Q: The Centers of Disease Control and Prevention has launched studies of drug-resistant gonorrhea. Of…

A:

Q: The table below shows results from a recent General Social Survey on two variables, respondent sex…

A: Null hypothesis: Null hypothesis is the statement about parameter of population. Alternative…

Q: A doctor tested two different types (A and B) of stitches. She made nine test stitches (five A 's…

A: (a). Use Wilcoxon-Mann-Whitney test to test the real difference between the two types: Given data…

Q: A group of 9 concertgoers was selected at random. Before the concert they were given a hearing test,…

A: The appropriate Null and Alternative Hypotheses are given below: From the given information, the…

Q: A scientist would like to study the effects of different light sources and time on the growth of a…

A: 1import pandas as pd 2import numpy as np 3import scipy.stats as stats 4 5# Data provided in the…

Q: (a) We wish to test the null hypothesis that the Las Vegas predictions are unbiased. This will…

A:

Q: 133 The chair of the business department hypothesizes that the final grades in a statistics course…

A:

Q: 8. A dietitian read a survey that states that at least 60% of adults eat eggs for breakfast at least…

A: Sample size is .The population proportion is .The sample proportion is .The level of significance is…

Q: University officials hope that changes they have made have improved the retention rate. In 2010, a…

A: The Given answer is wrong, in which pvalue wrongly entered So, I correct the pvalue and slove the…

Q: An instructor for a test preparation course claims that the course will improve the test scores of…

A: (a) the claim is "The students' critical reading rest scores improved the second time they took the…

Q: 1. What is stated in the null versus in the alternative hypothesis? What notation is used for each?…

A: Note: As per my policy i can answer only one question. kindly repost the other questions Given data…

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.