Testing for linear correlation

Assignment Help Basic Statistics

Reference no: EM1395299

Testing for a linear correlation. Construct a scatter plot, find the value of the linear correlation coefficient r, and find the critical values of r from the table below using a=0.05. Determine whether the is sufficient evidence to supporta claim of a linear correlation between the two variables.

CPI and Pizza; The paired values of the consumer pice index and a slice of pizza:

cpi 30.2 48.3 112.3 162.2 191.9 197.8

pizza 0.15 0.35 1.00 1.25 1.75 2.00

Reference no: EM1395299

Questions Cloud

Correlation by correlatio coefficient : Bill is doing a project for you in the marketing department. In conducting his analysis regarding consumer behavior and a new product that has come out

Physics: compression of column; constant of a spring : Physics: Compression of column; constant of a spring, 1. A 4.8-m-tall, 30-cm-diameter concrete column supports a 5.0Ã?105 kg load. By how much is the column compressed?

Energy through photosynthesis and cellular respiration cycle : Which is these represents the correct flow of energy through the photosynthesis and cellular respiration cycle? Which of the following is a similarity between photosynthesis and fermentation:

What test value should be used in a f-test : A survey found that the variance of the rental rates on 8 cars at the airport was 35.7 while the variance of the rental rates on 5 cars down town was 50.4. What test value should be used in a F test?

Testing for linear correlation : Testing for a linear correlation. Construct a scatter plot, find the value of the linear correlation coefficient r, and find the critical values of r from the table below using a=0.05.

Steel piano string : Steel Piano string, The lowest note on a grand piano has a frequency of 27.5 Hz. The string is 2 m (more or less; let's just assume it is exactly 2.000 m) long, and its tension is 1000 N (again, more or less, so let's say it's exactly 1000 N).

Significance of correlation coefficient : Test the hypothesis that the true Pearson correlation (p) is significantly different from zero. Provide a (p) value (two-tail) n=12. Correlation intake is .448 for the two recording methods.

Physics: simple harmonic oscillator : Physics: Simple Harmonic Oscillator, Traveling waves are set up in a pair of long strings by a simple harmonic oscillator. The strings have identical mass densities of 5.1 grams/meter.

Recessive mutations in the x-linked white gene : Wild-type fruit flies, D. melanogaster, have dark red eyes. Recessive mutations in the X-linked white gene result in white eyes.

User Account

All Pages