Mr. Peter’s English class decided that the perfect display of Christmas lights will be 30% red, 30% green and 20% each of white and blue. The students counted the lights on Mr Peter’s house and found that he has 66 red, 58 green, 45 white and 31 blue. Test the hypothesis at the .05 level that the distribution of lights at Mr Peter’s house fits the perfect display. Show ALL work, include hypothesis, conditions, formula, degrees of freedom, X^2, p-value and conclusion show work handwritten or drawn and exlain each step please

Q: A local college recently made the news by offering foreign language-speaking dorms to its students.…

A: Given observed frequency(O) table : Expected frequencies and Test statistics can be calculated as…

Q: d. The p-value = e. The p-value is ? a f. Based on this, we should Select an answer the null…

A: We have given that n1 = 543 , x1 = 339n2 = 543 , x2 = 383Significance level (α) = 0.01 Now,p̂1 =…

Q: Direction:

A: From the given information, the sample size n is 150 and the sample proportion is 0.70.

Q: A parenting magazine reports that the average amount of wireless data used by teenagers each month…

A:

Q: Wallace asked 30 participants to report on their political affiliation by marking "1" for liberal,…

A: Given that 30 participants  For liberal 1  For conservative 2  For not interested in poltics at all…

Q: Two separate samples receive two different treatments. The first treatment group (N = 15) has a mean…

A: n1=15, x¯1=50, SS1=210n2=9, x¯2=56, SS2=190

Q: Please make it so that I could copy and paste it! thank you Strack, Martin, and Stepper (1988)…

A: Given, sample size (n) = 25 SS = 150   standard deviation (Sd)  = √SS/n  = √150/25…

Q: A recruiter at Salisbury University is interested in comparing the percentages of high school…

A: Box and whisker plot is the graphical representation of the data, which includes, minimum value,…

Q: Natasha is a physician looking to determine whether a supplement is effective in helping men lose…

A: Test statistic results:For testing whether a supplement is effective in helping men lose weight or…

Q: To compare the time they spent running on the wheel between the three different days (in other…

A: ANOVA To check the difference in mean excercise time of rats in three different conditions.

Q: The prevalence of a disease in the general population is 0.2%. A diagnostic test is developed that…

A: Note: “Since you have posted a question with multiple sub-parts, as per the guidelines we will solve…

Q: Find the​ z-score that has 93.82​% of the​ distribution's area to its left.

A: given probability is P(Z<z0)=0.9382

Q: A set of n = 12 pairs of scores has ΣX = 24, ΣY = 36, and ΣXY = 84. What is the value of SP for…

A: We have given that n = 10 ΣX = 24 ΣY = 36 ΣXY = 84

Q: (d) Log-odds of men choosing Commerical A: Encoding x=0 for men and x-1 for women, do a logistic…

A: From the given data, we obtain a table like:   Commercial A Commercial B Total Women 90 75 165…

Q: One sample of n=12 scores has a mean of M=7, a second sample of n=8 scores has a M =12. If the 2…

A: The mean M of the combined sample is,

Q: Deon is Human Resources Manager for two hospitals in a metropolitan area. He is comparing data about…

A: The mean and standard deviation of first data set are 6.6 and 2.3. The mean and standard deviation…

Q: During rush hour, the traffic speed on a busy highway is found to have mean 42 mph and standard…

A:

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: A researcher want to know if there is a relationship between sleep and anxiety.  The researcher…

A: For random variables X and Y the value of SP is, SP = Σ (x – x̅)(y – ȳ), where x̅ is the mean of X…

Q: What is the first thing does the researcher need to do with the data if he wants to conclude that…

A: What is the first thing does the researcher need to do with the data if he wants to conclude that…

Q: Justin wants to know whether a commonly prescribed drug does improve the attention span of students…

A: The two populations are being compared for a before-after situation where the individuals of the…

Q: The 10 participants in an experiment had the following reaction times (in milliseconds). 238, 482,…

A: Given data is 238, 482, 487, 489, 493, 497, 504, 508, 508, 510sample size(n)=10

Q: A sample of n = 11 scores has a mean of M = 55.  One new score is added to the sample and the new…

A: It is given that , A sample of n=11 has a mean of M =55.

Q: Roy ‘s Texaco wants to keep the price of its unleaded gasoline competitive with that of other…

A:

Q: In a class exam, student A obtained a score, 70, He found that 65 % of the class students had scores…

A: Given that student A obtained a score 70  65 % of the class students had scores of 70 or lower.

Q: A new cream was developed to reduce the irritation caused by poison ivy. To test the effectiveness,…

A: Introduction: The benefit of the comparison done in the given study is to be determined.

Q: The claim is that the proportion of peas with yellow pods is equal to 0.25 or 25% the sample…

A:

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.25…

A: Given,n=1908x=439p^=xnp^=4391908=0.2301

Q: oy's Texaco wants to keep the price of its unleaded gasoline competitive with that of other stations…

A: Given data : 1.7, 1.5, 2.6, 2.2, 2.4, 2.3, 2.6, 3.0, 1.4, 2.3

Q: Is the proportion of wildfires caused by humans in the south lower than the proportion of wildfires…

A: c.   Denote p1, p2 as the true population proportions of wildfires caused by human in south and…

Q: You are asked to evaluate the effect of a fast acting blood pressur- medication. You take a random…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: The recidivism rate for convicted sex offenders is 10%. A warden suspects that this percent is lower…

A: Denote p as the true population proportion of recidivism rate of convicted sex offenders.

Q: r Swift is interested in learning what proportion of her fans want her to re-record her masters, so…

A: The parameter in this given study is a population proportion which represents the proportion of…

Q: Phosphorous is a chemical that is found in many household cleaning products. Unfortunately,…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

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.