A counselor is looking to see if not listening to music increases the breathing rate. Below is the data of 4 people who went through music therapy.   Music Without Music 53 61 67 72 54 57 61 64   a) What is the null and alternate hypothesis?   A   Ho: μD≠0; H1: μD=0   B   Ho: μD=0; H1: μD≠0        C   Ho: μD<0; H1: μD>0 D     Ho: μD>0: H1: μD<0   b) What is Md? c) What is SMd? d) What is df? e) What is positive tcrit for an α=0.05? f) What is tobs? g) Do we reject the null?

Q: Bighorn sheep are found in the mountainous western United States.  In the following data, x = the…

A: y¯ is calculated as: y¯=∑yn=86.95=17.38

Q: Medical research has shown that repeated wrist extensions beyond 20 degrees increase the risk of…

A: Solution-: We want to estimate the mean wrist extension for people using this new mouse design using…

Q: Duration Arterial Body of blood surface hyperten Basal pressure (mmHg) (years) Age Weight area (sq…

A: Given regression analysis  30)The VIF (Variance Inflation Factor) tell us about how much variance…

Q: Bighorn sheep are found in the mountainous western United States.  In the following data, x = the…

A: Given: ∑ x = 15 ; ∑ y = 86.9 ; ∑ x 2 = 55 ; ∑ y 2 = 1544.73 ; ∑ x y = 273.4

Q: "Based on recent data, 80% of all part-time college students are female. A survey of 1000 college…

A: Parameter:A parameter is a function of observations in a population. It is an numerical quantity…

Q: Bighorn sheep are found in the mountainous western United States.  In the following data, x = the…

A: The formula for Sxy  is, Sxy=∑xiyi-∑xi×∑yin

Q: A psychologist would like to examine the effects of sugar consumption on the activity level of…

A:

Q: The recidivism rate for convicted sex offenders is 13%. A warden suspects that this percent is lower…

A: n=348,X=31,p=0.13α=0.01

Q: Bighorn sheep are found in the mountainous western United States.  In the following data, x = the…

A: Given:  x = the age of bighorn sheep in years, y = the percentage of that age group that die during…

Q: The  table above shows the results of a two-factor analysis of variance with 2 levels of factor A, 3…

A: Consider a two-factor analysis with two levels of factor A, three levels of factor B, and a…

Q: Blood Number of ID Age Gender Height LDLT Feeling happy? Smoke? group children 1 25 1.62 150 Agree…

A: Given data:

Q: Tributary Içá Jutaí Japurá Coari Purus Manacapuru Negro Madeira Trombetas Tapajós Xingu Tocantins…

A:

Q: A researcher is trying to determine if there is a significant relationship between age and annual…

A: ANOVA: Analysis of variance is used to test the difference between more than two means.   Mean: It…

Q: course, the teacher tests students before and after the course; the sample results follow.…

A:

Q: Pain medications sometimes come with side effects.  One side effect is dizziness.  A researcher…

A: We have given data   Tordol Placebo Naproxen Tylenol Advil Dizziness 83 32 36 5 8 No…

Q: If the Pearson coefficient of skewness for a data set is 1.945, what can be concluded about the data…

A: GIVEN:  Pearson coefficient of skewnes for a data is Sk=1.945  Then data is  1): right skewed  2):…

Q: he dietician is working with a random sample of 50 patients who are dieting. He puts them on a…

A: The dietician is working with a random sample of 50 patients who are dieting.

Q: The human resources manager of a certain company is concerned about the level of employee…

A: Standardized residuals gives the strength of distance between the expected and observed values. If…

Q: For the following hypothesis, please state the IV and DV: “The gender of the interviewer has an…

A: In statistics, the independent variable (IV) is the variable which does not depend upon other…

Q: For the SPSS output below, imagine that this is an experiment looking at differences between men…

A: Given information: The SPSS output for a two-sample t test is given.

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: Which one sounds like an example of the experimental method? a. Looking for a relationship between…

A: Basics: Experimental method: It is used to show that one variable causes change in a second…

Q: Jump to level1 A software company is interested in improving customer satisfaction rate from the 62%…

A: We have given thatn = 238x = 160p̂ = x/n =  160 /238 = 0.1486p = 62% = 0.62

Q: The data found below measure the amounts of greenhouse gas emissions from three types of vehicles.…

A: I am using Excel and the command is as follows  Anova: Single Factor…

Q: The following data were collected in an experiment designed to investigate the impact of different…

A: (1)The appropriate null and alternative hypotheses is,Null hypothesis: H0: µBack= µSide= µSitting=…

Q: A psychologist is examining the influence of an older sibling in the development of social skills. A…

A:

Q: Variation in gasoline mileage among makes and models of automobiles is influenced substantially by…

A: Given : Variation in gasoline mileage among makes and models of automobiles is influenced…

Q: A statistical program is recommended. Major League Baseball (MLB) pitching statistics were reported…

A: Given information: The data represents the results of Major Baseball League.

Q: Read through this scenario and look at the data that was collected.  State the null and all possible…

A: Provided ANOVA result with replication

Q: gnment Tourism is extremely important to the economy of Florida. Hotel occupancy is an…

A: To conduct the hypothesis test.To determine the confidence interval.

Q: Bighorn sheep are found in the mountainous western United States.  In the following data, x = the…

A: The formula for Sxx  is, Sxx=∑x2-∑x2n

Q: 4. days: a) 116 The following components are put on test and fail at the following times in i) 193…

A: It is given that eight components are put to test and the failure times are noted. These failure…

Q: The following data are from an experiment on carnations. The explanatory variable is the amount of…

A: Let X: the amount of bromine and Y: the average number of flowers per carnationTotal observations,

Q: Part A: This study was done to see if jump height increased in participants following a whole-body…

A: First let me explain you about Independent variable. An independent variable is exactly what it…

Q: Examination of tests such as the WAIS and WISC-R have found that white males are more often depicted…

A: Correct answer is option b.

Q: Bighorn sheep are found in the mountainous western United States.  In the following data, x = the…

A: For x: Sample Meanm is calculated as: Sample Meanm=∑xn=155=3

Q: A researcher wants to know if a treatment significantly increases the well being of someone with…

A: Given that: Population mean, μ=7.2 Sample mean, x¯=7.7 Population standard deviation, σ=1.4 Sample…

Q: What are the conditions of the independent variable? What is the dependent variable? b. What are Ho…

A: As per our guidelines, we are allowed to answer three sub-parts. Please post other parts again.…

Q: c. What is the third quartile Q?

A: c. Boxplot is the simple way to plot the observations of the distribution, with five-number summary…

Q: he accompanying data are x = advertising share and y = market share for a particular brand of…

A: (a) To find  the equation of the estimated regression line. X Y X - X Y - Y (X - X)2 (X - X)2 (Y…

Q: What is the difference between an observational study and an experiment? Choose the correct answer…

A: In the observational study the effect of a specified variable (through the sample observations) is…

Q: Complete the following table that lists all possible samples of n = 2 scores from the population.…

A: Given information: Sample Score 1 Score 2 M=∑Xn SS SSn-1 SSn a 1 1 1 0 0 0 b 1 4 2.5 4.5 4.5…

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.