According to a recent study annual per capita consumption of milk in the United States is 22.6 gallons. Being from the Midwest, you believe milk consumption is higher there and wish to test your hypothesis. A sample of 14 individuals from the Midwestern town of Webster City was selected and then each person's milk consumption was entered into the Microsoft Excel Online file below. Use the data to set up your spreadsheet and test your hypothesis. Gallons of milk- \( 24.6,23.84,25.25,21,17.52,19.61,19.83,26.18,34.97 \), \( 29.9,28.59,20.57,26.94,27.24 \) What is a point estimate of the difference between mean annual consumption in Webster City and the national mean?

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.

If a scatter plot shows points that are closely clustered together, what can you infer about the correlation between the variables?

Uma escola de \( 1^{10} \) grau abriga 124 alunos. Obtenha uma amostra representativa cor- respondendo a \( 15 \% \) da população. Sugestão: use a \( 8^{a}, 9^{a} \) e \( 10^{a} \) colunas, a partir da \( 1^{\text {a }} \) linha, da Tabela de Números Aleatórios (de cima para baixo).

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

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