Zadanie 1c
Draw a box-and-whisker plot on the scale provided.
- Materiał graficzny
Frequency and cumulative displays
Construct and interpret frequency tables, equal-width histograms, cumulative graphs and box plots, including distribution comparisons.
Tę umiejętność sprawdza 21 zadań wzorowanych na arkuszach IB z lat 2022–2026.
Zadania sprawdzające tę umiejętność: 21 Otwórz w wyszukiwarce z filtrami
Zadanie 1b
The diagram summarizes the sample. State the median.
- Materiał graficzny
Zadanie 2a
Estimate the median response time.
- Materiał graficzny
Zadanie 2b
The class frequencies are 5 for 20 ≤ h < 25, 11 for 25 ≤ h < 30, 16 for 30 ≤ h < 35, p for 35 ≤ h < 40 and q for 40 ≤ h < 45. (i) Find p and q. (ii) Estimate the mean from this table, to four significant figures.
- Materiał graficzny
Zadanie 1a
Find the interquartile range.
- Materiał graficzny
Zadanie 1b
Estimate how many participants completed the workshop between 28 and 34 minutes.
- Materiał graficzny
Zadanie 1a
State the median and interquartile range for machine B.
- Materiał graficzny
Zadanie 1b
Show that the 11.1-minute job is an outlier.
Zadanie 7a
What percentage of R devices are at least 48 months old?
Zadanie 7d
List the five class midpoints in order.
Zadanie 7a
What percentage of R devices are at least 36 months old?
Zadanie 7d
List the five class midpoints in order.
Zadanie 7a
(i) Find p. (ii) State the modal class.
Zadanie 7b
Use the cumulative graph to estimate (i) the median daily count; (ii) the number of days when at least 80% of capacity was used.
- Materiał graficzny
Zadanie 7d
The box plot summarizes processing times for the 20000 specimens. (i) Estimate how many took between 4 and 28 minutes. (ii) Half took less than a minutes; estimate a.
- Materiał graficzny
Zadanie 7a
(i) Find p. (ii) State the modal class.
Zadanie 7b
Use the cumulative graph to estimate (i) the median daily count; (ii) the number of days when at least 80% of capacity was used.
- Materiał graficzny
Zadanie 7d
The box plot summarizes processing times for the 20000 specimens. (i) Estimate how many took between 4 and 28 minutes. (ii) Half took less than a minutes; estimate a.
- Materiał graficzny
Zadanie 3a
Using the 1.5×IQR rule, find the largest c reading that would not be classified as an upper outlier.
- Materiał graficzny
Zadanie 5b
Verify that the warm-cache reading 0.60 s is not an outlier.
- Materiał graficzny
Zadanie 5d
Comment on whether the plots provide evidence of greater latency with a cold cache.
- Materiał graficzny