Quiz: Quiz 1 (Chapters 1, 2, 3, 5, 6, 7): Timed and Due Feb 4 Time Remai 3 1 Thi

Question

Quiz: Quiz 1 (Chapters 1, 2, 3, 5, 6, 7): Timed and Due Feb 4 Time Remai 3 1 This Question: 4 pts 130125(0 complete) This Quiz: 100 pts possible Question Help Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1 30-39 60-69 0-79 Interval Frequency 80-89 35 90-99 34 40-49 50-59 Standard deviation-L(Round to one decimal place as needed) Consider a difference of 20% between two values of a standard deviation to be sigri can How does t, comp ed val on pare with the given standard di li n 20min 0 of f A. The computed value is significantly greater than the given value O B. The computed value is not significantly dierent from the given value C. The computed value is significantly less than the given value O Type here to search

Explanation / Answer

The statistical software output for this problem is:

Approximate summary statistics:
Using counts in f

Hence,

Standard deviation = 14.4

Option A is correct.

Column Std. dev. x 14.421019

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.