# statistics

A researcher hypothesizes that individuals who listen to classical music will score differently from the general population on a test of spatial ability. On a standardized test of spatial ability, (u = 58). A random sample of 14 individuals who listen to classical music is given the same test. Their scores on the test are 52, 59, 63, 65, 58, 55, 62, 63, 53, 59, 57, 61, 60, 59.
a. Is this a one- or two- tailed test?
b. What are H0 and Ha for this study?
c. Compute tobt.
d. What is tcv?
e. Should H0 be rejected? What should the researcher conclude?
f. Determine the 95% confidence interval for the population mean, based on the sample mean.

1. 👍
2. 👎
3. 👁
1. We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though. However, I will give you a start.

Find the mean first = sum of scores/number of scores

Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance.

Standard deviation = square root of variance

two-tailed

1. 👍
2. 👎

## Similar Questions

1. ### Music

What is one difference between Baroque and Classical period music? A) Baroque music was simpler, compared to Classical. B) Classical period music focused on electronic instruments. C) Classical period music was more simple and

2. ### Music

1.The study of historical periods and great classical composers is called A.museohistorocology B.musicology C.music theory D.transcription 2.Which style period would electronics have the strongest impact on? A.Classical B.Romantic

3. ### Music

1. The mass is an example of A. Sacred Music ** B. Modern Music C. Electronic Music D. Romantic Music 2. An opera A. Uses only instruments to create dialogue on stage B. Uses singers and an orchestra to portray musical theatre. **

4. ### MUSIC

I NEED A GOOD GRADE ON THIS TO PASS Which term best describes the style of Gregorian chant? A. a capella B. polyphonic C. cantus firmus D. imitative What did Arnold Schoenberg, Anton Webern, and Alban Berg call themselves? A. the

1. ### English

Read the following quote from Betty Bonham Lies’s retelling of the myth of Orpheus and Eurydice. When Orpheus made music, all the world stopped to listen. Wild beasts drew near him, so entranced they put aside their fierceness.

2. ### Maths

1.Issam has 11 different CDs of which 6 are pop music , 3 are jazz and 2 are classical. Issam makes a selection of 2 pop music CDs, 2 jazz CDs and 1 classical CD. How many different selections can be made.Here the answer is 90

3. ### Math

Suki has 54 rock songs 92 dance songs and 12 classical songs on her playlist . If suki's music player randomly selects a song from the playlist, what is the experimental probability that the song will not be classical

4. ### statistics

SAT Exam Scores – A school administrator wonders if students whose first language is not English score differently on the math portion of the SAT exam than students whose first language is English. The mean SAT math score of

1. ### biology

jordan is doing a science fair project on the effect of music on the growth of tomatoes. he has two tomato plants, plant A and B, that he grows in a window and gives the same amount of water. plant A is exposed to classical music

2. ### Math

Suki's has 54 rock songs,92 dance songs,and 12 classical songs on her play list.If Suki's music player randomly selects a song from the playlist,what is the experimental probability that the song will not be a classical

3. ### English

Which of the following quotes from Orpheus and Eurydice best shows the power of Orpheus' music? a. "Even before he reached manhood, he was accomplished in all the arts, but especially in poetry and music." b. "Orpheus drew the

4. ### statistics

A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff "t" needed is -1.8333. The