Direction: Evaluate the given graph below. Write your scientific interpretation of your evaluation/observation based on the data shown. Your scientific interpretation should contain the description of the data, analysis and related readings. STAR Science Scores 5th Grade 2007-2013 100% 13 90% 19 12

Q: Illustration 17.13. In the above illustration what number of lamps may be expected to fail between 7...

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Q: GIVEN X f Xm<ef 35 -416 42 - 485 49 - 55 12 56 - 62 10 63 - 69 12 70 - 767 77 - 835 84 - 903 i = n =...

A: INTRODUCTION:  Quartiles divide the whole distribution into four equal parts. First Quartile Second...

Q: 15.31. For the variables X, Y and Z following data has been observed: X = 79 Y = 56 Z = 120 O = 4 9,...

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Q: A population of values has a normal distribution with u random sample of size n = 180.1 and o = 72.5...

A: Solution

Q: P(x) O - 0.01 Determine whether the distribution is a discrete probability distribution. 1 - 0.82 2....

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Q: State the null and alternative hypotheses for the above scenario.

A: HERE given, Our environment is very sensitive to the amount of ozone in the upper atmosphere. The le...

Q: Find P(27 < X< 32) if X is normally distributed with mean 29 and standard deviation 5.

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Q: Which level of significance makes it easier to reject the null hypothesis, and why does the level of...

A: We have given that the statement about to the significance level that makes it easier to reject the ...

Q: 1. The yt+1/Tforecast for a certain time series ytis distributed as N(10,2). What is the average poi...

A: Here is the yt+1/T forecast for a certain time series yt is distributed as normal distribution N(10,...

Q: The researcher would like to determine if these data provide convincing evidence that the true mean ...

A: We want to test.  if these data provide convincing evidence that the true mean amount of time volunt...

Q: sample of 97 psychology graduates found an average salary of $71 K/year. Assume ?=$14 K/year. Find t...

A: Given Z score 90% confidence interval=1.645 Sigma=14 n=97

Q: Nineteen people were asked how many miles, to the nearest mile, they commute to work each day. The d...

A: We have given that the data of 19 people were asked how many miles they commute to work each day. He...

Q: A professional golfer is shopping for a new brand of golf ball. He likes most of the features of one...

A: Given a histogram showing spin rate and relative frequency.  

Q: 70 students are asked in a survey how màny hours they work during a week. Their responses have a mea...

A: We have given that,  Sample mean (x̄) = 17, standard deviation (s)= 2 and sample size (n) = 70 and c...

Q: I. Classify the following sets of data as qualitative or quantitative. 1. The colors of houses in a ...

A: Quantitative data: The data which can be expressed as numerically is called quantitative data. Quali...

Q: 8. Find the median weight of the 40 male college students at State University by using (a) the frequ...

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Q: Question 1

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Q: Find Spearman's rank coefficient of correlation from the following data : 21 34 15 79 42 X : Y : 50 ...

A: Rank correlation can be defined as measure of relationship between two qualitative variables.

Q: . Defective DVDS From past experience, a company found that in cartons of DVDS, 90% contain no defec...

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Q: For a standard normal distribution, find: P(z < 2.27) Express the probability as a decimal rounded t...

A: Using standard normal distribution we find the probability.

Q: 7. If µs = 0.28 and of = 0.07, what is the percent of a value being below 0.20

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Q: Select all plots that are commonly referred to as Residual Plots.

A: Here Residual means difference between predicted and Actual value... Sometimes Residual is called Er...

Q: The expected value is $

A: Here use given information and expected value formula 

Q: At an examination at which 500 candidates appeared, boys out numbered girls by 14% of all the candid...

A: Given that  Number of Candidates=500 Boys out  numbered girls by 14%  The number of passed candidate...

Q: stem and leaf plot? Also include its median.

A: Here Given total number of data =20

Q: On average, 13% of guests at a restaurant order the chef's steak special. The chef is expecting 120 ...

A: We are given: p = 0.13 n = 120  

Q: 1 out of every 10 fish have blue on them. If you were to take a random sample of 60 fish, what is th...

A: Let X denote the number of blue fish out of n = 60 fish. Let p denote the probability of getting blu...

Q: What is the probability that neither battery is defective? 2/15; b. 7/15; c. 5/15; d. 8/15; e. 13/15...

A: It ia given that Number of defective batteries = 4 Total batteries = 10 Sample size = 2

Q: Anne has 4 friends and 5 coworkers. Each day in the year 2019, Anne talked to some number of friends...

A: Anne has 4 friends and 5 co-workers. On any given day, she can talk to atleast 1 but never 4 friends...

Q: "Senioritis" is a temporary, non-fatal illness afflicting thousands of high school and college senio...

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Q: Two random samples were drawn from two normal populations and their values are : A : 66 67 75 76 82 ...

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Q: Please calculate Cronbach's alpha.

A: Here Given  No of Items=k=23 Variance for total score=s2y = 218.84 ∑Si2 = 218.84  

Q: If the joint PMF of X and Y is given by S(x + y)/30 x = 0,1,2,3; y = 0,1,2 %3D Рxx(х, у) otherwise F...

A: As per our guidelines we are supposed to answer only 3 subpart of any questions so i am solving firs...

Q: A study is undertaken to test the research hypothesis that a student’s knowledge of Thunder Bay impr...

A: By applying a paired 't; test

Q: Using the data below, determine the linear regression equation & R2 value of this paracetamol analys...

A: Given: Concentration  Absorbance 6 3.69267 8 3.69667 10 3.69667 12 3.701 14 3.708 16 ...

Q: Give your own problem using the given values on the table and determine the mean, variance, and stan...

A: We have given that  Probability distribution for discrete.  Variance =E(X2) - [E(X)]2 Standard devia...

Q: 2. Considerthe following data representing the life in hours of incandescent bulbs. 1,067 919 1,196 ...

A: Data is given We have to calculate : P55, D9, Q3 We have to construct frequency table and histogram ...

Q: 15. OLD FAITHFUL Listed below are sorted duration times (seconds) of eruptions of the Old Faithful g...

A: We have given that the sorted duration times (seconds) of eruptions of the Old Faithful geyser in Ye...

Q: Suppose a certain state university's college of business obtained the following results on the salar...

A: From the provided information,

Q: At a Noodles & Company restaurant, the probability that a customer will order a nonalcoholic beverag...

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Q: Determine if the following statement are True or False. If False, write the CORRECT statements: 1. C...

A: We want to tell you which one is the true statement   

Q: In a recent poll, 360 people were asked if they liked dogs, and 92% said they did. Find the margin o...

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Q: Evidence based Reading and Writing 533 Mathematice 527 that the population standard deviation on eac...

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Q: bright red pigment which has been shown to have powerful antioxidant and anticarcinogenic properties...

A: We have given that  Sample size n =36 Sample mean = 13.1 Standard deviation=1.2

Q: Consider a population consisting the scores of 6 students in a Statistic test. 18, 22. 25. 28, 32, 3...

A: Population, Xi: 18, 22, 25, 28, 32, 36 Mean= ΣXi/N  Here population size, N= 6 Mean = (18+22+25+28+3...

Q: year-long fitness center study sought to determine if there is a relationship between the amount of ...

A: We know variation = (Correlation coefficient ^2)100 %  

Q: The proportion of all children that drew the nickel too small is:   Assume that this proportion is ...

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Q: 1. Build a regression model to forecast the grape yield in your vineyard. Use the first 18 years to ...

A: Consider a general linear regression model Y=β0+β1X1+β2X2+β3X3+ε Where  Y=Yield (tons per acre)X1=Ra...

Q: fllustration 17.12. The Delhi Municipal Committee instals 5,000 electric lamps in the streets of the...

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Q: Mustration 17.14. How would you use normal distribution to find approximately the frequency of exact...

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