Q. Which of the following finds row sums for each level of a grouping variable? (A) rowSums (x, na.rm = FALSE, dims = 1) (B) colMeans(x, na.rm = FALSE, dims = 1) (C) rowMeans(x, na.rm = FALSE, dims = 1) (D) rowsum(x, group, reorder = TRUE, ...) 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (C) rowMeans(x, na.rm = FALSE, dims = 1)