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9.11: Sura ya Suluhisho (Mazoezi + Kazi ya nyumbani)

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    179970

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    Kielelezo\(\PageIndex{12}\)

    38.

    mtihani wa haki-tailed

    40.

    mtihani wa kushoto-tailed

    42.

    Hii ni mtihani wa kushoto-tailed.

    44.

    Hii ni mtihani wa tailed mbili.

    45.

    1. 47.

      c

      1. 51.

        b

        d

        55.

        d

        56.

        1. 58.
          1. 60.
            1. 62.
              1. 64.
                1. 66.
                  1. 69.
                    1. 71.
                      1. 73.

                        c

                        c

                        77.

                        1. 79.
                          1. 81.
                            1. 83.
                              1. 85.
                                1. \(H_0: \mu \geq 150 H_a: \mu < 150\)
                                2. \(p\)-thamani = 0.0622
                                3. alpha = 0.01
                                4. Je, si kukataa hypothesis null.
                                5. Katika kiwango cha umuhimu wa 1%, hakuna ushahidi wa kutosha wa kuhitimisha kuwa wanafunzi wa freshmen hujifunza chini ya masaa 2.5 kwa siku, kwa wastani.
                                6. Madai ya kikundi cha mwanafunzi wa kitaaluma inaonekana kuwa sahihi.