Without wait tracking system- \( 24,67,17,19,31,43,12,23,17,37 \) With wait tracking system- \( 31,12,13,18,12,37,9,14,12,16 \) What are the variance and standard deviation of patient wait times for offices with a wait tracking system? What are the variance and standard deviation of patient wait times for visits to offices without a wait tracking system? Please round the answers to 2 decimal place.

4. O diretor de uma escola, na qual estăo ma- triculados 280 meninos e 320 meninas, de- sejoso de conhecer as condiçőes de vida extraescolar de seus alunos e não dispondo de tempo para entrevistar todas as famílias, resolveu fazer um levantamento, por amos- tragem, em 10\% dessa clientela. Obtenha, para esse diretor, os elementos componen- tes da amostra.

A survey asks 192 people "What beverage do you drink in the morning?", and offers choices: - Coffee only - Tea only - Both tea and coffee - Neither tea nor coffee Suppose 32 report tea only, 48 report coffee only, and 36 report both. How many people drink tea in the morning? How many people drink coffee in the morning? Create a venn diagram with this information and submit it. Choose File No file chosen Question Help: Video Check Answer

ما هو الرسم البياني Scatter Plot وكيف يُستخدم لتمثيل البيانات؟

What is the mean of the prime numbers greater than 30 but less than 45 ?

A survey asked buyers whether color, size, or brand influenced their choice of cell phone. The results are below. 153 said size. 232 said brand. 168 said color. 95 said size and brand. 62 said color and size. 101 said color and brand. 21 said all three. 92 said none of these How many buyers were influenced by color and size, but not brand? How many buyers were not influenced by color? How many buyers were surveyed? Question Help: Video Check Answer