A study was conducted to test the effectiveness of a juggling class. Before the class started, six subjects juggled asmany balls as they could at once. After the class, the same six subjects juggled as many balls as they could. Theresults are as follows.StudentABCDEFBefore34345After45647a. Test whether the class is effective at increasing the number of balls they were able to juggle. Use a= 0.01b. Construct a 99% confidence interval for the mean of the differences.

The t test is a type of parametric test. It used to compare the mean significance between the sample…

Answered: A study was conducted to test the…

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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During one shift, the express lane clerk recorded how many times customers violated the "10 items or less" rule for his lane. In particular, he recorded how many items over the limit each violator placed on the conveyor belt. This data is summarized in the histogram below. NOTE: The last class actually represents "7 or more items," not just 7 items. 14+ 12- 10- 8 6- 0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 # items over 10 What is the frequency of times the limit was exceeded by more than 6 items? ans = Question Help: D Video Submit Question O Type here to search a %24 4. %23 3. WER T A SD F G H douanba
The table below shows a stem-and-leaf diagram for the test scores of students in Liberal Arts Math.
Name: ID: A 10. An experiment was conducted to see if listening to music while learning increased retention of material. Forty student voluntcers at a college were randomly assigned to one of two groups of twenty. The first group listencd to a teacher lecture with music playing in the background and the second group just listened to the teacher lecture. After the lecture, studcnts were given a test on the material that was taught. Thirtecn of the students in group one passed the test and 11 of the students in group two passed the test. Thus, the difference in the proportion of studcnts who passed the test was 0.10. Fifty trials of a simulation were performed to sec what differences in proportions would occur due to chance variation in the random assignment assuming listening to music did not matter. The dotplot of the results of the simulation is shown below. Bascd on the dotplot, are the results statistically significant? ill. 02 0.1 02 03 Sumulated diffeence in sample proportiom of…
I would appreciate the help. A tutor helped and he got it wrong, hoping that u can get it right.
Need help with D, E, F, and G.
Eric gave a large bowl of puppy chow to each of 80 puppies and recorded how many ounces of food they ate during a given time period. He kept track of each puppy's breed and the brand of chow they ate. The means for each condition are shown in the table. To answer the questions below, examine the means. Assume differences between means of at least 2 units are significant. Purina Blue Buffalo Border collie 5.35 2.15 Bulldog 3.15 7.70 A. From the data in the table, does it look like there is a significant main effect of the brand of food? а. yes b. no B. If you said there is an effect in the previous question, please describe it. C. From the data in the table, does it look like there is a significant main effect of puppy breed? а. yes b. no D. If you said there is an effect in the previous question, please describe it. E. From the data in the table, does it look like there is a significant interaction? a. yes b. no F. If you said there is an interaction in the previous question, please…
A company wants to study the effects a new drug has on alleviating pain. Some patients at doctor’s office are selected to be in the study. The patients will be randomly assigned to take the new drug or the old drug. They will be monitored to see when the pain goes away. How many treatments are there and what are they? A. Two and which Drug received B. One and which drug received C. Total number of Patients D. None.This is an obesevational study.
A city official would like to know if there is public support for increasing funding for arts programs. To collect data, the city official stands outside a concert hall after a show and surveys every 25th person to exit and asks their opinion about raising funds for the arts. Which of the following describes the population in this scenario? all residents of the city the members of the city council all city residents who support the arts the people surveyed by the city official
Basketball players can take shots worth 333 points, 222 points, or 111 point. A scout is assessing two players—Tabitha and Lauren—who play for different teams in different leagues. The scout wonders if they have similar or different shot selections. They take a random sample of Tabitha's games and a separate random sample of Lauren's games. They tally how many of each type of shot the players attempted in those games. Here is a summary and the results of a chi-square test: Chi-square test: Shot vs. player Tabitha Lauren 333-point 888 121212 Expected 10.3410.3410, point, 34 9.669.669, point, 66 222-point 404040 373737 Expected 39.8339.8339, point, 83 37.1737.1737, point, 17 111-point 121212 777 Expected 9.839.839, point, 83 9.179.179, point, 17 �2=2.097, DF=2, P-value=0.350χ2=2.097, DF=2, P-value=0.350\chi, squared, equals, 2, point, 097, comma, start text, space, D, F, end text, equals, 2, comma, start text, space, P, negative, v, a, l, u, e, end text,…
The table shows the political party affiliations for a medium-sized neighborhood with 94 adults. If the neighborhood is representative of a town with an adult population of 9000, approximately how many of them are likely to be Independents? Number Political Party 34 Republicans 42 Democrats 12 Independents 6 Libertarians A 1150 B 1500 С 2800 4000
Q23. A researcher records the number of words recalled by students presented with a list of words for one minute. In one group, students were presented with the list of words in color; in a second group, the same words were presented in black and white. An equal number of students were in each group. The results are reported in APA format below. Participants recalled significantly more words when the words were presented in color (M = 12.4 words) versus in black and white (M = 10.9 words), t(48) = 2.01, p < .05, η2 = .18. a. How many participants were in each group? = b. What was the decision regarding H0?(Select A or B) A. Reject H0B. Retain H0 Decision = c. What was the value of the effect size? = d. Is this a trival, small, medium, or large effect? = (see Table 8.4, p. 239)
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