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Q1 - Which of the following is not an example of critical thinking applied to data exploration?

a. Looking at data from different viewpoints, such as customers, investors, and employees.

b. Evaluating and re-evaluating the assumptions underlying the insights generated.

c. Transforming dashboards to make sure the insights generated are easy to understand.

d. Studying and applying advanced statistical methods to add precision to the insights generated.

Q2 - Which of the following aspects is not relevant for a time series data relationship?

a. Trend

b. Seasonal pattern

c. Magnitude of discrepancies

d. Irregularities

e. Forecasts

Q3 - Flame, a U.S. company that sells electronic products worldwide, gives you this data set.

What data relationship is not relevant for this data set?

a. Nominal comparison

b. Ranking

c. Geospatial

d. Part-to-whole

e. Deviation

f. All of these are relevant.

Q4 - The box-and-whisker chart shows salary distributions for the different categories of employees at a public accounting firm: staff, manager, senior manager, and partner.

Insights for this data set could include:

1. The salaries for partners are significantly higher than for the other categories.
2. There is little variation in the salaries for staff members.
3. The salaries for partners are skewedthere is more variation among the high salaries than among the low salaries.
4. There is an outlier for the senior manager category.

Which of these insights can be derived from the box-and-whisker chart?

a. 1 and 2

b. 1 and 3

c. 1 and 4

d. 1, 2, and 3

e. 1, 2, and 4

f. 1, 2, 3, and 4

\begin{tabular}{|l|r|} \hline Region & 2020 Profits \\ \hline North-America & 19,922,189 \\ \hline South-America & 89,900,011 \\ \hline Western-Europe & 3,008,223 \\ \hline Eastern-Europe & 2,347,781 \\ \hline Africa & 890,002 \\ \hline Asia & 122,343 \\ \hline \end{tabular}

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