Calculating the sample mean
The late_shipments dataset contains supply chain data on the delivery of medical supplies. Each row represents one delivery of a part. The late columns denotes whether or not the part was delivered late. A value of "Yes" means that the part was delivered late, and a value of "No" means the part was delivered on time.
Let's begin our analysis by calculating a point estimate (sample statistic), namely the proportion of late shipments.
late_shipments is available; dplyr is loaded.
Questo esercizio fa parte del corso
Hypothesis Testing in R
Istruzioni dell'esercizio
- Use
View()to view thelate_shipmentsdataset. - Calculate the proportion of late shipments in the sample. That is, the mean cases where the
latecolumn is"Yes".
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
# View the late_shipments dataset
View(late_shipments)
# Calculate the proportion of late shipments
late_prop_samp <- ___
# See the results
late_prop_samp