There are 5 questions and 1 SPSS problem attached.
Please include in detail your responses.
1. Name six virtues and characteristics of problems and hypothesis.
2. Name some tips for identifying and developing formal research problems.
3. Describe the difference between Qualitative and Quantitative research.
4. Define the following:
d. Descriptive statistics
e. Inferential statistics
f. Sampling bias
i. Confidence interval
j. Hypothesis test
m. Analysis of variance
5. Here are measurements (in millimeters) of a critical dimension for 16 auto engine crankshafts.
224.12, 224.001, 224.017, 223.982, 223.989, 223.961, 223.96, 224.089, 223.987, 223.976, 223.902, 223.98, 224.098, 224.057, 223.913, 223.999
The dimension is supposed to be 224 mm and the variability of the manufacturing process is unknown. Is there evidence that the dimension is not 224 mm? State H0 and Ha and carry out a t test. You must include SPSS output in your response. What do you conclude (which hypothesis do you support)?
The solution provides step by step method for the calculation of t test in SPSS. Formula for the calculation and Interpretations of the results are also included.