Researchers wanted to determine if there was an association between the level of happiness happiness of an individual and their risk of diabetes diabetes. the researchers studied 1650 1650 people over the course of 5 5 years. during this 5 5-year period, they interviewed the individuals and asked questions about their daily lives and the hassles they face. in addition, hypothetical scenarios were presented to determine how each individual would handle the situation. these interviews were videotaped and studied to assess the emotions of the individuals. the researchers also determined which individuals in the study experienced any type of diabetes diabetes over the 5 5-year period. after their analysis, the researchers concluded that the happy happy individuals were less likely to experience diabetes diabetes. complete parts (a) through (c). (a) what type of observational study was this? explain.

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

Describe how the presence of possible outliers might be identified on the following. (a) histograms gap between the first bar and the rest of bars or between the last bar and the rest of bars large group of bars to the left or right of a gap higher center bar than surrounding bars gap around the center of the histogram higher far left or right bar than surrounding bars (b) dotplots large gap around the center of the data large gap between data on the far left side or the far right side and the rest of the data large groups of data to the left or right of a gap large group of data in the center of the dotplot large group of data on the left or right of the dotplot (c) stem-and-leaf displays several empty stems in the center of the stem-and-leaf display large group of data in stems on one of the far sides of the stem-and-leaf display large group of data near a gap several empty stems after stem including the lowest values or before stem including the highest values large group of data in the center stems (d) box-and-whisker plots data within the fences placed at q1 â’ 1.5(iqr) and at q3 + 1.5(iqr) data beyond the fences placed at q1 â’ 2(iqr) and at q3 + 2(iqr) data within the fences placed at q1 â’ 2(iqr) and at q3 + 2(iqr) data beyond the fences placed at q1 â’ 1.5(iqr) and at q3 + 1.5(iqr) data beyond the fences placed at q1 â’ 1(iqr) and at q3 + 1(iqr)