Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and standard deviation of 15. The indicated IQ score is __. (Round to the nearest whole number as needed.)

Q: A population has a mean of μ= 30 and a standard deviation of σ = 5.  If 5 points were added to every…

A: The value of population mean is μ=30. If 5 points were added to every score in the population, then…

Q: the scores are normally distributed with a mean of 75 and a standard deviation of 9. What…

A: Note: As per the guidelines, only first three sub-parts (1., 2. and 3.) are solved here. Given data:…

Q: On a final  examination in mathematics , the mean was 72  and standard deviation was 15 . Determine…

A: given information: μ=72σ=15x=65 we want to determine the z score . z=x-μσ  =65-7215  =-0.4667

Q: Atticus, a CrossFit instructor at Mighty Box, selected random samples of 315 students from a nearby…

A:

Q: for this set of data, the standard deviation is equal to: 9,8,10,5,5,2,3,6,3

A: Mean:The formula for finding mean is shown below:

Q: for a population with a standard deviation of 5 and mean of 40, draw a bell shaped curve, marking…

A: In statistics, the empirical rule says that for normal distribution, 68%, 95%, and 99.7% of the…

Q: A group of students wrote an entrance Math exam and the scores were normally distributed. The mean…

A: The scores were normally distributed with mean 750 and standard deviation 95 μ=750σ=95 Z-score is…

Q: The reading speed of sixth-grade students is approximately normal, with a mean speed of 125 words…

A: Mean = 125 Standard deviation = 24

Q: What is the standard deviation on the graph ?

A:

Q: In another company, every worker received a 5% raise. How does this affect the mean salary? The…

A: Every worker received a 5%. The mean defines that the center or average of the data and it is…

Q: A large number of applicants for admission to graduate study in business are given an aptitude test.…

A:

Q: Assume that the mathematics scores on the SAT are normally distributed with a mean of 500 and a…

A:

Q: Recently, a random sample of 25–34 year olds was asked, "How much do you currently have in savings,…

A: From the different savings class we need to find first the class mid point(xi) . And the frequency…

Q: In a population with mean 50 what standard deviation score would have a score of X=45

A:

Q: If each score is increased by 25, what will be the mean and standard deviation of the distribution…

A: Given that  The distribution of raw scores on particular achievement test Mean = 500 Standard…

Q: A sociologist found that in a sample of 50 retired men, the average number of jobs they had during…

A: Given that  Sample size=50 , Mean=6.9 Population Standard deviation=2.3

Q: On a final examination in Biology, the mean was 75 and the standard deviation was 12. What is the…

A: Given problem Given that   On a final examination in Biology,  The mean was = μ = 75 The standard…

Q: Suppose you were told you scored two standard deviation below the mean on a measure where the main…

A:

Q: A recent survey found that 61​% of all adults over 50 wear glasses for driving. In a random sample…

A: A recent survey found that 61​% of all adults over 50 wear glasses for driving. In a random sample…

Q: A statistics professor announces that 15% of the grades he gives are As. The results of the final…

A: It is given that the mean and standard deviation are 83 and 6, respectively.

Q: The number of assists per match for the setter on your school's volleyball team has a mean of 55 and…

A: Given,   Mean(μ) =55 Standard deviation(σ)=7

Q: In 2019, the amount of money that motorists spent on gas had a normal distribution with a mean of…

A: Given Information Number of persons sampled (n) = 2400 Mean (µ) = 900 Standard deviation(σ) = 100…

Q: Out of a class of 25 students, 24 took an exam in class and got a mean of 74 points and a standard…

A: Given: Total number of students, n = 25            Number of students who gave the test, n' = 24…

Q: The principal decided that the top 30% of the class with the highest grades in statistics will be…

A:

Q: The year Deon graduated college, he got a job as an entry-level software engineer working for a firm…

A:

Q: A successful basketball player has a height of 6 feet 4​inches, or 193cm. Based on statistics from a…

A: The z-score identify that the value how many standard deviations from the mean. If the z-score is…

Q: 95% of 80 night students scored between 70% and 80% on a quiz. If this data is normally distributed,…

A: Given: Total number of students n=80.             let X  denote the marks of students then,  X ~N(µ,…

Q: A study at the University of Colorado at Boulder shows that running increases the percent resting…

A: Null Hypothesis: A hypothesis which is tested for plausible rejection is called the Null Hypothesis…

Q: n a population, the mean score on a measure of satisifaction is 50, with  standard deviation of 16.…

A:

Q: The mean score on the SAT in 2017 was 1060, and the standard deviation was 195. Assume the scores…

A: Given,  Mean μ=1060  Standard deviation σ=195Let x be score of a randomly selected person

Q: The scores on a university examination are normally distributed with a mean of 70 and a standard…

A: The scores of a university are normally distributed with mean 70 and s standard deviation 10.Given…

Q: The local police force gives all applicants an entrance exam and accepts only those applicants who…

A: The score that corresponds to the top 15% is, The Z-score that corresponds to the area 0.85 is…

Q: Suppose the scores on a college entrance examination are normally distributed with a mean of 525 and…

A:

Q: Professor Brown administered an achievement test, which as he remembers from years of experience,…

A: Given: Population mean score(μ)=85 Sample mean(X¯)=89 Sample standard deviation(s)=14 n: no of…

Q: Suppose that Jett achieves a score of 1250 on the SAT, and his sister Kate scores 29 on the ACT. The…

A: Given information- For SAT scores- Population Mean µ = 1100 Standard deviation (σ) = 250 For ACT…

Q: A student scored 66 on a general science test where the class mean and standard deviation were 82…

A:

Q: If the mean is 8.35, and the standard deviation is 2.5, what will be the answer to this? How many…

A:

Q: A student scored 76 on a general science test where the class mean and standard deviation were 82…

A: For Science x¯=82s=8x=76 z=x-x¯s=76-828=-0.75

Q: A grade of 81 in a test in which the mean is 75 and the standard deviation is 12 corresponds to a…

A:

Q: a measure of 29 inches "far away" from a mean of 19 inches? Suppose the data come from a sample…

A: We have given that  Mean=19 , standard deviation=2  X=29

Q: Florida State University, the mean IQ is 116 with a standard deviation of 14. Given this…

A: In the School of Medicine at Florida State University, the mean IQ is 116 with a standard deviation…

Q: The time is takes a studen to walk from the dorn to the chemistry lab follows roughly a Normal…

A: Mean(µ) = 20 Standard deviations (σ) = 3 X ~ N (µ, σ )= N ( 20, 3)

Q: An instructor in a large lecture class found, at the end of the semester, that the total point…

A: It is given that mean and standard deviation are 530 inches and 80, respectively.

Q: If a normally distributed group of test scores have a mean of 70 and a standard deviation of 12,…

A: It is given that the mean is 70 and the standard deviation is 12.

Q: A successful basketball player has a height of 6 feet 3 ​inches, or 191 cm. Based on statistics from…

A: Given,a basketball player has a height of 6 feet 3 inchesand the Z-score =2.31

Q: The scores for all high school seniors taking the verbal section of the Scholastic Aptitude Test…

A: Given distribution is bell shaped. In bell shaped distribution mean, median and mode are equal.…

Q: A statistics professor announces that 15% of the grades he gives are As.  The results of the final…

A: Solution:From the given information, mean score is 83, standard deviation is 6. The fifteen…

Q: for a population with a standard deviation of 8 and mean of 40, draw a bell shaped curve, marking…

A: Given data  Mean = 40 and standard deviation= 8

Q: Which is better and corresponds to the higher relative position, a score of 92 on a test with a mean…

A: Solution:From the given information, score of 92 on a test with standard deviation of 15 and mean of…

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.