当前位置： 找题吧 >  CFA特许金融分析师 CFA考试LevelⅠ
[单选题]

Use the following data to answer Questions 58 through 63.
　　An analyst is conducting a hypothesis test to determine if the mean time spent on investment research is different from three hours per day. The test is performed at the 5% level of significance and uses a random sample of 64 portfolio managers, where the mean time spent on research is found to be 2.5 hours. The population standard deviation is 5 hours.The calculated z-statistic is:

A.-2.67

B.+0.33

C.+2.67

参考答案与解析：

相关试题

Use the following data to answer Questions 58 through 63.<br />　　An analyst is conducting a hy

[单选题]Use the following data to answer Questions 58 through 63.　　An analyst is co

  • 查看答案

    • Use the following data to answer Questions 58 through 63.<br />　　An analyst is conducting a hy

    [单选题]Use the following data to answer Questions 58 through 63.　　An analyst is co

  • 查看答案

    • Use the following data to answer Questions 58 through 63.<br />　　An analyst is conducting a hy

    [单选题]Use the following data to answer Questions 58 through 63.　　An analyst is co

  • 查看答案

    • Use the following data to answer Questions 58 through 63.<br />　　An analyst is conducting a hy

    [单选题]Use the following data to answer Questions 58 through 63.　　An analyst is co

  • 查看答案

    • Use the following data to answer Questions 58 through 63.<br />　　An analyst is conducting a hy

    [单选题]Use the following data to answer Questions 58 through 63.　　An analyst is co

  • 查看答案

    • Use the following data to answer Questions 12 through 15.<br />　 An analyst observes a Widget

    [单选题]Use the following data to answer Questions 12 through 15.　 An analyst obser

  • 查看答案

    • Use the following data to answer Questions 12 through 15.<br />　 An analyst observes a Widget

    [单选题]Use the following data to answer Questions 12 through 15.　 An analyst obser

  • 查看答案

    • Use the following data to answer Questions 12 through 15.<br />　 An analyst observes a Widget

    [单选题]Use the following data to answer Questions 12 through 15.　 An analyst obser

  • 查看答案

    • Use the following data to answer Questions 12 through 15.<br />　 An analyst observes a Widget

    [单选题]Use the following data to answer Questions 12 through 15.　 An analyst obser

  • 查看答案

    • Use the following data to answer Questions 6 through 8.<br />　 An analyst observes a 20-year,

    [单选题]Use the following data to answer Questions 6 through 8.　 An analyst observe

  • 查看答案

    • Use the following data to answer Questions 58 through 63.<br />　　An analyst is conducting a hy