1. Students in a statistics course were asked toSuperpowerFlyFreeze TimeNum of Studentsanswer a variety of questions. One questionasked for students to pick a favoriteSuperpower. Results are listed to the right.1911InvisibilitySuper strengthTelepathy74a. Create a visual display for these data.12b. Describe the distribution of the students' choices.

Given: Superpower Number of Students Fly 19 Freeze Time 11 Invisibility 7 Super strength…

Answered: 1. Students in a statistics course were…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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K Listed below are altitudes (in thousands of feet) and outside air temperatures (in °F) recorded during a flight between two cities. A. Altitude Temperature Use these data to complete parts (a) through (d) below. A Temp. 60- -60- a. Construct a scatterplot. Choose the correct answer below. O -O | O O strong O b p 3 56 Alt. 410 9 39 weak positive correlation strong negative correlation 13 26 strong positive correlation O weak negative correlation B. 23 - 6 A Temp. 60- -60- 26 - 30 O O -O- 32 - 42 Alt. 40 b. Briefly characterize the correlation in words. Choose the correct answer below. 33 - 52 h .. O C. 60- -60- Temp. O 10 O O Alt. 40 SO D. A Temp. O 60- -60- O O O O Alt. 40
Week 4 3 2 1 Lisa's Race Times Miles 1 1 1 1 Time 15 min 14 min 12 min 15 min Which shows the mean race time? Back 15 +14+ 12 + 15 12 (15 + 14 + 12 + 15) + 4 15 × 14 × 12 x 15 × (4) N
Solve Question 4
Please explain throughly. Question 1, A, B, C
Questions 1 and 2 use the X and Y data below. You can think of this data as representing the heights of 5 individuals (labelled A,B,C,D,E) at ages 11 (X column) and 12 (Y column). Obs X Y Paired Y-X A 60 62 B 61 62 C 62 63 D 63 64 E 64 66 The means and variances for X and Y are shown below. (You can verify to practice calculation steps.) X Mean: 62, X Variance: 2.5 | Y Mean: 63.4, Y Variance: 2.8 The Y - X difference column has not been computed. You need to fill this out and compute the corresponding mean and variance (for Y-X) for question 2 1) Test whether the population mean of Y is no greater than 1/2 (0.5) unit higher than the population mean for X as the null hypothesis (Ho) vs the population mean of Y is more than 1/2 unit greater than the population mean for X as the alternative hypothesis (H1). What is the small sample t statistic for the test of Ho? Round to two decimal places (e.g., 1.23) Assume the measurements…
Only answer question 11 please.
Question 2
Question 4 3.1 Question: The mean should be rounded in which way? O Up to the next nearest number. To one more digit than digits in the data set. The mean does not have to be rounded. Using the traditional math rounding rule of 5 or higher round up, less than 5 round down. Question 5
Do question iii and iv only.
use. Do a conclusion about thiS 20.5 "reference" drugs that they imitate. One aspect in which ance times (second received the generic drug first, followed by the reference signed at random to the subjects. Subjects 1 through 10 matched pairs design. Numbers 1 through 20 were as- TABLE 20.5 Absorption extent for two drug first, followed by the generic drug. In all 20.50 Comparing two drugs. Makers of generic drugs must ght-hand and left. reads chow that they do not differ significantly from the Astep "reference" drugs that they imitate. One aspect in which Arugs might differ is their extent of absorption in the klood. Table 20.5 gives data taken from 20 healthy non- smoking male subjects tor one pair of drugs." This is a matched pairs design. Numbers 1 through 20 were as- signed at random to the subjects. Subjects 1 through 10 20. Subject Thread Th Right drug. Subjects 11 through 20 received the reference drug first, followed by the generic drug. In all cases, a washout period separated…
Week 4 3 2 1 Lisa's Race Times Miles 1 1 1 1 Time 15 min 14 min 12 min 15 min Which shows the mean race time? Back 15 +14+ 12 + 15 12 (15 + 14 + 12 + 15) + 4 15 × 14 × 12 x 15 × (4) N
PART I: For this part, we will divide the data set into two groups: those who have infection and those who do not. Consider only those who have an infection.1. For these subjects only, construct a stemplot for the variable “heart rate”. (We will be making this into a back-to-back stemplot later, so leave room on the left side.)2. Discuss the shape of your stemplot. Is it symmetric? Positively skewed? Negatively skewed? None of these? Are there any outliers?3. How would you describe the center and the spread of this distribution?4. Find the five-number summary.5. Construct a box plot.

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