The value of a quantitative variable is measured once a year for a 10-year perio

Question

The value of a quantitative variable is measured once a year for a 10-year period. Here are the data 61.5 62.3 60.7 59.8 58.0 58.2 57.5 57.5 56.1 56.0 10 (a) Create a line chart to describe the variable as it changes over time 64 62 61 61 59 Year 8 10 8 10 64 62 61 62 61 59 Year 8 10 2 46810 (b) Describe the measurements using the chart constructed in part (a) O The measurements increase until year 4, then decrease through year 10 O The measurements decrease until year 4, then increase through year 10 O The measurements stay roughly the same over time. O The measurements are decreasing over time O The measurements are increasing over time

Explanation / Answer

1. Chart B represents the data correctly

2. Answer is D, the measurements are decreasing over time

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