Math

StatisticsQ&A LibraryThe following data represents the GPA of a sample of 15 students enrolled in a math class. Use technology and round to 4 decimal places. GPA 3.01 3.96 3.46 1.52 1.75 2.89 2.77 1.66 2.27 3.2 2.28 2.29 1.96 1.71 2.07 (a) Find the first quartile. (b) Find the third quartile. (c) Find the mean. (d) Find the median. (e) Find the range. (f) Find s. (g) Find the interquartile range. (h) What are the lower and upper limits to find outliers? LL: UL: (i) Find s2.Start your trial now! First week only $4.99!*arrow_forward*

Question

The following data represents the GPA of a sample of 15 students enrolled in a math class. Use technology and round to 4 decimal places.

GPA |
---|

3.01 |

3.96 |

3.46 |

1.52 |

1.75 |

2.89 |

2.77 |

1.66 |

2.27 |

3.2 |

2.28 |

2.29 |

1.96 |

1.71 |

2.07 |

(a) Find the first quartile.

(b) Find the third quartile.

(c) Find the mean.

(d) Find the median.

(e) Find the range.

(f) Find s.

(g) Find the interquartile range.

(h) What are the lower and upper limits to find outliers?

LL: UL:

(i) Find s^{2}.

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: In a student survey, forty part-time students were asked how many courses they were taking this term...

A: In a student survey, forty part-time students were asked how many courses they were taking this term...

Q: In Jolie’s new Thai restaurant, she observes the age of her customers and notes down which of the gr...

A: Jolie for her new restaurant divided Age of her customer in 2 categories -18 years old and below’ or...

Q: A person's blood glucose level and diabetes are cosely related. Let x be a random variable measured ...

A: Use excel formula "=NORM.S.DIST(-1, TRUE)" to find the probability.

Q: Find the value of the linear.correlation coefficient r using the paired data below. x 75 35 95 16 35...

A: Number of samples (n) = 7 x y x2 y2 xy 75 165 5625 27225 12375 35 146 1225 21316 5110 95 13...

Q: CONFIDENCE INTERVALS FOR THE DIFFERENCE IN 2 POPULATION PROPORTIONS Pharmaceutical scientists tested...

A: A confidence interval provides an interval for the estimate of the population parameter. p1 be the p...

Q: A researcher predicts that showing a certain film will change people’s attitudes toward alcohol. The...

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any ...

Q: Use the given information to find the number of degrees of freedom, the critical values χ2Landχ2R,...

A: For the given sample size, n=23, The degree of freedom, d.f.=n-1=23-1=22

Q: Over the past few decades, public health officials have examined the link between weight concerns an...

A: Solution: Given information n= 273 Sample size of teenage girls X= 63 Smoked to stay thin p = 0.30 ...

Q: A normal distribution has a mean of μ = 54 and a standard deviation of σ =6 What is the probabilit...

A: Given that, A normal distribution has a mean of μ = 54 and a standard deviation of σ =6. Sample si...

Q: please work out as you would with a calculator not the book method a ti-83 or ti-84 Coca Cola bot...

A: Given: μ=299 mlσ=3 mln=6

Q: The current electric Tesla Model S can travel an average of 300 miles on a single charge, μ equals 3...

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

Q: A: 16,17, 25, 26, 32, 34, 38, 40, 42, B: 14,16,24,28, 32, 35, 37, 42, 43, 45, 47 Test whether two po...

A: Hypothesis testing is a statistical test to check whether the claim about the population parameter i...

Q: when samples of size 25 are collected from a normal population that has a mean of 100 and a standard...

A: The sample standard deviation (s) is equal to the ratio of standard deviation of the population σ an...

Q: QI. For given data A: 16,17, 25, 26, 32, 34, 38, 40, 42, B: 14,16,24,28, 32, 35, 37, 42, 43, 45, 47 ...

A: Since you have asked multiple question, we will solve the first question for you. If youwant any spe...

Q: In a population of fish, approximately 47% are female. A test is conducted to see if, in fact, the p...

A: A null hypothesis is a type of hypothesis which is used in statistics. It states that there is no di...

Q: According to a study by Dr. John McDougall of his live-in weight loss program at St. Helena Hospital...

A: Let X be a weight loss program. Here it is given that the people who follow his program lose between...

Q: Round off your two decemal places

A: Class interval frequency, f mid point, m fm m-x m-x2 f(m-x)2 10-15 6 12.5 75 -13.2 174.24 1045.44 ...

Q: ity of a sai

A: According to the given sum, the population mean is 227 and s.d. is 5.7. Let X be a random variable r...

Q: Starbuck’s 2019 Annual Report shows that the Approximate sizes in Square Feet of the properties for ...

A: 1.) Here, we have observations on 7 locations, x1,x2,...,x7. Then, the average size of 7 location is...

Q: A delivery truck travels from point A to point B and back using the same route each day. There are f...

A: (a) The marginal distribution of Y is y 0 1 2 3 4 P(Y=y) 0.13 0.21 0.31 0.23 0.12 For the ...

Q: The mean mathematics SAT score for all people who took the SAT in a particular year was 514 with a s...

A: Given, Mathematics SAT score is normally distributed. The mean mathematics SAT score is 514 and stan...

Q: Construct the cumulative frequency distribution for the given data. Daily Low (°F) Frequency35-3...

A: Click to see the answer

Q: A normal distributed population has parameters mean=249 and standard deviation=39.8. If a random sam...

A: According to the scenario, A normally distributed population has parameters mean=249 and standard de...

Q: Suppose the random variable X is normally distributed with mean 80 and standard deviation 16. Find P...

A: Here it is given that- Suppose the random variable X is normally distributed . Mean (μ) = 80 Standar...

Q: If the random variable X is uniformly distributed between 40 and 50, then P(35≤X≤45) is?

A: The density function is given by: f(x) =1/(50-40) = 1/10

Q: Could you please solve question d,e

A: Given Information: A = event exactly two heads are tossed. A=HHTT, HTHT, THTH, THHT, TTHH B = Even t...

Q: Assume that a randomly selected subject given a bone density test. Those test scores are normally di...

A: Click to see the answer

Q: In an experiment, college students were given either four quarters or a $1 bill and they could eit...

A: Let A1 and A2 be the events such that the Students Given Four Quarters and Students Given a $1 Bill...

Q: (A), (b) and (C)

A: According to the given scenario, X has a distribution with a mean of 50 and s.d. 27 So, X~N(50,2.72)...

Q: A decision maker is interested in estimating the mean of a population based on a random sample. She ...

A: Given: Margin of error = E = ± 0.50 ∝ = 0.05 From the given data we compute the mean and variance as...

Q: A population of values has a normal distribution with mean =37.4 and standard deviation 77.4. If a r...

A: (A) The probability that a single randomly selected value is greater than 53.4 is 0.4168, which is o...

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those sc...

A: Given that, Mean = 100 Standard deviation = 15

Q: The weights of radish seeds are normally distributed, with µ = 0.12 g and σ = 0.02 g. What is th...

A: Z score is the score used to measure by how many units the value of a raw score is above or below th...

Q: True or False?:a. The distribution of sample means will always be normal if taken from a normal popu...

A: a) We know that, if the population is normally distributed then the distribution of sample means wil...

Q: In the manufacture of light emitting diode (LED), different layers of ink are on the optic lens. The...

A: Let X1 and X2 denote the thickness of two different layers of ink. Given, X1~N (µ1=0.1, σ1=0.00031) ...

Q: Consider the following random experiment: First, roll a die and observe the number of dots facing up...

A: Sample space The set of all possible outcomes of a random experiment is called sample space of the e...

Q: GPA of SMSU students is normally distributed with standard deviation (sigma) = 0.8. The average GPA ...

A: Click to see the answer

Q: Assume that military aircraft use ejection seats designed for men weighing between 148.2lb and 211lb...

A: Given information- Population mean, µ = 161.6 lb Population standard deviation, σ = 41.5 lb Let, X b...

Q: The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest...

A: From the given information, The first sample shows the SAT math test scores whose parents are colleg...

Q: Assume you have a population of 26000 people where 3% of the population has some particular disease....

A: Solution:

Q: A set of math exam scores are normally distributed with a mean of 75 points and a standard deviation...

A: (a) Obtain the probability that X greater than 71. The probability that X greater than 71 is obtaine...

Q: A population of values has a normal distribution with Mean = 211 and standard deviation = 75.8 a ran...

A: (A) The probability that a single randomly selected value is between 195.8 and 200.3 is 0.0236, whic...

Q: A motorcycle drives from Moraytato Lacson and back using the same course everyday. There are four st...

A: Given: The joint density function of x and y is as follows x y 0 1 2 3 4 0 0.01 0.0...

Q: Periodically, customers of a financial services company are asked to evaluate the company's financia...

A: Hi, Since, your question has more than 3 parts, we have solved only the first three subparts for you...

Q: Identify the type of sampling technique in the situations described below: The name of each contesta...

A: 1. Simple Random Sampling Technique: This is a simple random sampling technique as each contestant h...

Q: Different hotels in a certain area are randomly selected, and their ratings and prices were obtaine...

A: The equation of the regression line is: ^y= -370 + 140x where , ^y = dependent variable x = independ...