which one is X variable and Y variable? Variable Description Index Sales Consumer Confidence Index Change in retail sales (in percentage)

ZOOM + 2. Researchers studying acid rain recorded the pH level for a sample of 26 water sources in Pennsylvania. The sorted list of the data (some values have been obscured), the histogram of the data, and some other statistics are below. Histogram of pH levels Sort (pH) Frequency 10 10- 4.12 4.12 ?? ?? 4.29 ?? 4.31 4.39 4.39 4.40 4.41 4.45 4.52 4.56 4.57 4.60 ?? ?? 4.73 ?? 5.08 5.29 5.51 5.62 5.67 5.78 Summary statistics: Col n Min Max Q1 pH Q3 26 4.12 5.78 4.31 4.82 a) Find the median pH level. Carefully show your work. b) Considering your answer to part a) and the histogram, which would be the best choice for the sample mean pH level (4.68, 4.56, or 4.00 units)? Explain. c) Find the Range of the pH levels. d) Find the IQR of the pH levels 1 pH 3. The following numbers are a sample of ten of my golf scores from 2020. In golf the “units" are technically called "strokes". Find my mean score and the standard deviation of my scores. 98, 94, 88, 90, 86, 92, 86, 85, 84, 87

Agricultural companies like to predict how much they can grow per acre based on annual rainfall in inches. Let's assume that an ag company wants to predict indigo yields based on rainfall. What is the response variable? rainfall the ag company indigo yield variety of indigo

What type if variable is color vision status categorical or quantitative

Is College Major qualitative or quantitative? What type of quantitative/qualitative variable is it?   Is Commuting Time qualitative or quantitative? What type of quantitative/qualitative variable is it?   Create a table with the absolute and relative frequencies of College Major. Screenshot attached thank you

Using bike weight to predict bike price what would be the response variable here?

Briefly discuss the following with relevant examples. Population Parameter vs Sample Statistic Descriptive Statistics vs Inferential Statistics scales of measurement and importance of them in research

Please explain your answer

SHORT ANSWER  Give an example of a normally distributed variable that is found within your daily life.  Describe why it is a normally distributed variable.