The following data are the score of 24 students in Midterm Examination. If JM is one of these 24 students and got a score of 80, in what percentile does her score belong?

Q: This year's statistics class was small (only 15 students)

A: Question: In a study examining the effects of a new medication on blood pressure, a sample of 500…

Q: Use the figure to the right, which shows the percentages of adults from several countries who favor…

A: For country C n=1024,p hat =0.45 For country D n =1078 ,p hat = 0.41

Q: The 95th percentile of 6-year-old boys' heights in the United States is 48.8 inches tall.  Explain…

A: Given: The 95th percentile of 6-year-old boys' heights in the United States is 48.8 inches tall.

Q: A survey of 62 men found that 12 have a social media account. Another survey of 57 women found that…

A: Men are taken as group 1. Women are taken as group 2.   Given: n1=62x1=12n2=57x2=40α=0.07

Q: A DNP student wants to evaluate the change in knowledge scores of a group of cardiac patients after…

A: In given problem, a DNP student obtains a pretest at the beginning of class and immediately after…

Q: A survey of 78 men found that 10 have a social media account. Another survey of 51 women found that…

A: Given Information: Women: Sample size (n1) = 51 Out of which X1 = 26 have a social media account.…

Q: 2. Find the method of moments estimators for a and b for the continuous uniform distribution. (see…

A:

Q: se technology to calculate the P-value P-value = (Round to three decimal places as needed.)

A: Given that  Sample size n1=1120 , n2=1048 Sample proportion p1^=0.47 , p2^=0.46

Q: Anna is 3 years old and in the 42nd percentile for height in her age group. What does this mean?…

A: Given: 1)Anna is 3 years old and, 2) In the 42nd percentile for height in her age group. In the…

Q: In 2007, a university study was published investigating the crash risk of alcohol impaired driving.…

A: The data set is: BAC Risk 0 1 0.01 1.03 0.03 1.06 0.05 1.38 0.07 2.09 0.09 3.54…

Q: The average (mean) score on an exam was 76.375 in a class consisting of 21 Administration students…

A: From the provided information, The average score on an exam was 76.375 consisting 21 Administration…

Q: Alex is 80th in his class of 320 students. What is his percentile rank in class?

A: Data given p=80, n=320

Q: With a percentile of 68 on a test of ambience given to mindanao resorts, bung gumni resorts score of…

A: Given, With a percentile of 68 on a test of ambience given to Mindanao resorts, bung gummi resorts…

Q: For each student in a study, demographic data are collected, including age, gender, and…

A: For each student in a study, we are collecting the demographic data including age, gender, and…

Q: f the score of 3 courses for a student who studied at a university are 81, 62, 74 with credit hours…

A: Solution: The scores of three courses for a students are  X= 81, 62 and 74 The credit hours  that is…

Q: For a sample of retired nfl players, data are collected on the number of concussions each…

A: A study in which researches observe what is happening and what was happened in past,then tried to…

Q: dentify the claim and state Ho and H. The claim is "the proportion of adults in Country C who favor…

A: Given that  Sample sizes for Country C and D n1=1024 , n2= 1078 Level of significance =alpha = 0.09

Q: What is the mode of the data: 21, 38, 12, 19, 38, 30, 19, 38, 12, 22, 31, 12, 38, 18, 27, 38, 12. 39…

A: Use the definition of mode.  The mode of a data set is the number that occurs most frequently in the…

Q: Sam did a survey and found out that 92% of all seniors are ready to graduate and leave for college.…

A: From the provided information, 92% of all seniors are ready to graduate and leave for college that…

Q: In a survey of 1150 adult males, 805 said they use the Internet. In a survey of 1050 females, 746…

A: There are two dependent variables which are males and females. The independent variable is using of…

Q: Here we have data that represent the results of a study comparing different viewing distances for a…

A: Introduction The null hypothesis assumes that the average ratings given to the four viewing…

Q: the average (mean) score on an exam was 76.52 in a class consisting of 14 supply chain students and…

A: Answer:- Given, A class consisting of 14 supply chain students and 11 HR students.  That is, Total…

Q: In 2007, a university study was published investigating the crash risk of alcohol impaired driving.…

A: The data set is: BAC Risk 0 1 0.01 1.03 0.03 1.06 0.05 1.38 0.07 2.09 0.09 3.54…

Q: On a test, John scored at the 50th percentile and Jim scored at the 25th percentile; therefore,…

A: A percentile indicates a score's position in relation to those other values from the same dataset.…

Q: Two classes write the same test. Class 1 (n=32) has a mean number of points of 720 (M=720, s=20) and…

A: We have given two classes write the same test.For class 1-Sample size n1 = 32Mean M1 = 720Sample…

Q: Table I: Sample of Result of student survey ID Gender Mathematics Exercise Games GPA Pulse 1 M Not…

A: Statistics can be in any form such as numbers, summaries of patterns and probabilities.…

Q: Assuming the regression line: P = 0.8 - 0.2X Then, at the value of X=4 that the linear regression…

A: Ycap=0.8-0.2*X  We want to find the intercept on X axis. Note: According to Bartleby Expert…

Q: Mina is waiting in line at the Department of Motor Vehicles (DMV). Her wait time is in the 85th…

A: It is clearly given in statement that at Department of Motor Vehicles waiting line is Mina wait time…

Q: Viveiros investigated the influence of video game playing on arousal. She had participants rate…

A: Appropriate Test:

Q: on a 100 item test romel got a score of 88 which is the 9th decile what does it mean

A: Di = i * (n + 1)  10 th data

Q: O E Ho: P1 P2 D D. Ho: P1 2 P2 H: P <P2 H, P, SP2 H P, 2P2 ind the standardized test statistic. z=…

A: Given that  Sample sizes n1=1120 , n2=1048 Sample proportion p1^ =0.47 , p2^=0.46

Q: Jason scored a 83% out of 100 and his perantile rank was 12 Rogns scored a 85% out of 100 his car…

A: The information provided in the question are as follows :-Jason scored 83% out of 100 with a…

Q: without treatment, 20 out of 100 clients with depression will improve. After developing a new…

A: 20 out of 100 clients with depression improved w/o treatment and after developing a new treatment…

Q: Class Frequency interval [50, 55 [55, 601 [60, 65[ [65, 701 170, 75| [75,80[ 16 3. 12 4. 10

A: Percentile: The observations P1, P2, - - - P99 which divide the total number of observations into…

Q: A mathematics professor lost a test paper belonging to one of her students. She remembered that the…

A: The mean score for the class of 20 was 81. Thus, total number of her students was n=20.…